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Lifespan, longevity, and ageing

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Observations: In captivity these animals have been estimated to live up to 15 years (Bernhard Grzimek 1990), though there are no detailed longevity studies and hence maximum longevity is unknown.
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Benefits ( англиски )

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These animals are used in behavioral research, and are enjoyed by visitors to zoos.

Positive Impacts: research and education

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Santilli, L. 2002. "Euoticus elegantulus" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Euoticus_elegantulus.html
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Associations ( англиски )

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As predators, they keep the population of their prey in check. They are also eaten by larger creatures, mainly night birds of prey such as owls.

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Santilli, L. 2002. "Euoticus elegantulus" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Euoticus_elegantulus.html
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Morphology ( англиски )

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Euoticus elegantulus receives its common name from its distinctive nails. These primates have needle-like nails on all digits except the second toe, which has the usual toilet claw. The nails have a central keel that comes to a point and the tips of the fingers are well padded to help grip barks while these animals forage for gums.

Needle-clawed bush babies are monomorphic, ranging from 495 to 555 mm in length from head to tip of tail. Without the tail, they range from 215 to 235 mm. They weigh between 270 and 360 g.

The fur is very soft, dense, and cinnamon tinted with a darker median dorsal stripe. The tail is long and cylindrical. These animal have short muzzles, huge eyes, and large mobile ears to help keep a lookout for predators. They can also rotate their heads 180 degrees.

Galagos have four incisors and two canines which form a “tooth comb”. This structure helps them to groom their fur. To help clean the tooth comb they have a second, fleshy comb, armed in front with hard pointy horns, and located under the tongue.

No geographic or seasonal variation has been reported. E. elangantulus is distinguished from other bush babies by having a different fur color, different dentition, and a thicker tail.

Range mass: 270 to 360 g.

Range length: 495 to 555 mm.

Sexual Dimorphism: sexes alike

Other Physical Features: endothermic ; bilateral symmetry

Average basal metabolic rate: 1.205 W.

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Life Expectancy ( англиски )

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These animals are thought to live 3 to 4 years in the wild, and 10 to 15 years in captivity.

Range lifespan
Status: wild:
3 to 4 years.

Range lifespan
Status: captivity:
10 to 15 years.

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Habitat ( англиски )

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Needle-clawed bushbabies live in primary and secondary forests. They are completely arboreal and nocturnal, occupying the closed canopy of Africa’s tropical rainforest up to about 50 m in height.

Habitat Regions: tropical

Terrestrial Biomes: rainforest

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Santilli, L. 2002. "Euoticus elegantulus" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Euoticus_elegantulus.html
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Distribution ( англиски )

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Eouticus elegantulus occupies the upper levels of the African rainforest canopy throughout the countries of Southern Cameroon, south of the Sanaga River, Rio Muni (Mainland Equatorial Guinea), Gabon, Congo and South Nigeria.

Biogeographic Regions: ethiopian (Native )

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Santilli, L. 2002. "Euoticus elegantulus" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Euoticus_elegantulus.html
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Trophic Strategy ( англиски )

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Euoticus elegantulus is a nocturnal feeder, and is primarily gummivorous. The needle-clawed nails of this species are specially adapted for this diet. They also feed on insects and fruits. Seventy five percent of the diet of this species consists of gums, 20% insects, and 5% fruits (along with some buds). The types of gums they eat upon are, Entada gigas, Albizia gummifera, and Pentacletra eetveldeana.

When foraging for gums, needle-clawed galagos use a regular pathway of trees, stopping at each one every night. These animals can stop at 500 to 1000 gum feeding locations in a single night.

The type of insects and other invertebrates that bushbabies eat belong to the orders Coleoptera (beetles), Lepidoptera (both caterpillars and moths), Orthoptera (grasshoppers), Hymenpoptera (ants), Isoptera (termites), Myriapoda (centipedes and millipedes), Arachnida (spiders), and Gastropoda (slugs). During the dry season, this species strictly survives off of gums.

Animal Foods: insects; terrestrial non-insect arthropods; mollusks

Plant Foods: fruit; flowers; sap or other plant fluids

Primary Diet: omnivore

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Associations ( англиски )

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As nectar feeders, these tiny creatures pollinate some plants. Galagos may also disperse the seeds of the fruits that they eat. As predators, they keep the population of their prey in check. E. elegantulus shares its habitat with another species of bush baby, Galago demidovii. They both exploit the canopy but there isn’t any real competition because they occupy different levels of the canopy and prey on different sizes of prey.

Ecosystem Impact: disperses seeds; pollinates

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Benefits ( англиски )

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In 1940, it was discovered that galagos are a reservoir for the virus which causes yellow fever. Although the galagos don't become ill from this disease, mosquitoes can transmit the disease from the galagos to humans.

Negative Impacts: injures humans (carries human disease)

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Life Cycle ( англиски )

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In captivity individuals can live up to fifteen years.

(Macdonald , 1987)

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Conservation Status ( англиски )

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The biggest threat to the species E. elegantulus is habitat destruction. There is a lot of timbering and clearing of land for plantations and illegal hunting. To prevent forest primates from extinction, proper forest reserves will have to be put up and that demand sufficient funds.

US Migratory Bird Act: no special status

US Federal List: no special status

CITES: appendix ii

IUCN Red List of Threatened Species: least concern

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Behavior ( англиски )

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Bush babies were named after the cries they emit to identify their territory, which sound like a crying baby. They are constantly prepared for instant flight. They have a series of alarm calls to alert conspecifics to threats of danger. Their series of calls include territorial calls, which sound like a "quee"; alarm calls, which sound like "tee-ya"; infant calls, which sound like "tsic"; maternal calls, which also sound like the infant "tsic" call, but are more powerful; contact-rejection calls, which sound like "ki-ki-ki", and are staccato; aggressive calls, which are described as a "hoarse growl"; and distress calls, which sound like "weet".

Bush babies also have a large glandular area that is used for olfactory communication (scents are secreted from a brachial gland). They will also deposit urine for territorial markings and have social grooming to strengthen the mother/infant bond.

Communication Channels: visual ; tactile ; acoustic ; chemical

Other Communication Modes: scent marks

Perception Channels: visual ; tactile ; acoustic ; chemical

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Reproduction ( англиски )

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The mating system of these small, nocturnal primates has not been reported. Male ranges overlap with those of females, suggesting some level of polygyny in the mating system.

Mating System: polygynous

Euoticus elegantulus has no fixed breeding season. Studies have shown that they can have two breeding seasons per year: One in mid-summer and one in mid-winter, depending on food abundance. Females bear a single offspring at a time. Gestation period is about 4 months.

Young of this species can catch insects by 4 to 8 weeks of age. They are weaned by 6 to 11 weeks. By the age of 4 months, a young galago is independent of the mother, but it continues to grow and develop for a year.

When a baby is born, the mother hides out for 3 days away from the male, which might kill the newborn. Infants are born fully furred with their eyes open. Although they have poor coordination, they have the ability to cling to their mother's fur right after birth.

When a mother is foraging she leaves her infant in a nearby hidden nest, or carries the baby with her in her mouth, occasionally leaving it clinging on a nearby branch while she collects food.

Age of sexual maturity is not known for this species.

Breeding interval: A female can breed twice per year, depending on food availability.

Breeding season: There is no fixed breeding season, but peaks may occur in mid-summer and mid-winter.

Average number of offspring: 1.

Average gestation period: 4 months.

Range weaning age: 6 to 11 weeks.

Average time to independence: 4 months.

Key Reproductive Features: iteroparous ; year-round breeding ; gonochoric/gonochoristic/dioecious (sexes separate); sexual ; fertilization ; viviparous

Average gestation period: 122 days.

Average number of offspring: 1.

The mother nurses her young for about 6 to 11 weeks. During that time, she cares for the young by carrying it with her on foraging trips, or keeping it safe in a nest.

No male parental care has been reported.

Parental Investment: precocial ; pre-hatching/birth (Provisioning: Female, Protecting: Female); pre-weaning/fledging (Provisioning: Female, Protecting: Female)

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Gàlag elegant meridional ( каталонски; валенсиски )

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El gàlag elegant meridional (Euoticus elegantulus) és una espècie de primat de la família dels gàlags, que pertany al gènere Euoticus.

Distribució i hàbitat

Viu al Camerun, a la República Centreafricana, a la República del Congo, a Guinea Equatorial, Gabon, i possiblement a Angola i la República Democràtica del Congo. El seu hàbitat natural són els boscos secs tropicals o subtropicals.

Conservació

Tot i que no es tracta d'una espècie amenaçada o en perill, algunes poblacions locals poden estar amenaçades per la destrucció de l'hàbitat.[1]

Referències

 src= A Wikimedia Commons hi ha contingut multimèdia relatiu a: Gàlag elegant meridional Modifica l'enllaç a Wikidata
  1. Bearder, S.. Euoticus elegantulus. UICN 2008. Llista Vermella d'espècies amenaçades de la UICN, edició 2008, consultada el 1-01-2009. (anglès)


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Gàlag elegant meridional: Brief Summary ( каталонски; валенсиски )

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El gàlag elegant meridional (Euoticus elegantulus) és una espècie de primat de la família dels gàlags, que pertany al gènere Euoticus.

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Südlicher Kielnagelgalago ( германски )

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Der Südliche Kielnagelgalago (Euoticus elegantulus) ist eine Primatenart aus der Familie der Galagos (Galagonidae).

Merkmale

Südliche Kielnagelgalagos haben ein dichtes, wolliges Fell, das an der Oberseite graubraun bis rotbraun und an der Unterseite grau gefärbt ist. In ihrem Körperbau zeigen sie Anpassungen an die vorwiegend aus Baumsäften bestehende Nahrung: Die Nägel sind seitlich gedrungenen („kielförmig“) und vorne zugespitzt, die Hände und Füße sind breit. Die oberen Schneidezähne stehen nach vorne, die unteren Schneidezähne sind verlängert und die vorderen Prämolaren sind eckzahnartig vergrößert. Die Augen und Ohren sind wie bei allen Galagos sehr groß. Sie erreichen eine Kopfrumpflänge von 18 bis 21 Zentimetern, eine Schwanzlänge von 28 bis 31 Zentimetern und ein Gewicht von 270 bis 360 Gramm.

Verbreitung und Lebensraum

Südliche Kielnagelgalagos sind im mittleren Afrika beheimatet. Ihr Verbreitungsgebiet reicht vom südlichen Kamerun über Mbini (dem Festlandteil Äquatorialguineas) bis nach Gabun und in die Republik Kongo. In Kamerun bildet der Fluss Sanaga die Grenze zum Verbreitungsgebiet des Nördlichen Kielnagelgalagos. Ihr Lebensraum sind tropische Regenwälder.

Lebensweise

Diese Primaten sind nachtaktive Baumbewohner, die kaum auf den Boden kommen. Tagsüber schlafen sie in selbstgemachten Blätternestern, in der Nacht gehen sie auf Nahrungssuche, wobei sie sich laufend und springend fortbewegen und sich in Höhen von 5 bis 50 Metern aufhalten.

Während oft zwei bis sieben Tiere den Tag gemeinsam schlafend verbringen, gehen sie des Nachts getrennt auf Nahrungssuche. Die Weibchen bilden Gruppen mit einer festgelegten Rangordnung. Es sind territoriale Tiere, die ihr Revier mit Urin markieren, aber ihre Pfoten im Gegensatz zu anderen Galagos nicht mit Urin waschen. Das Revier eines Männchens überlappt das mehrerer Weibchen.

Bevorzugter Geburtstermin ist zwischen Dezember und März, wenn das Nahrungsangebot am reichhaltigsten ist. Das Weibchen bringt meist ein einzelnes Jungtier zur Welt, ansonsten ist über die Fortpflanzung wenig bekannt.

Ernährung

Die Nahrung dieser Primaten besteht vorrangig (rund 75 %) aus Baumsäften. Die breiten Hände und zugespitzten Nägel dienen dem Festhalten auf der senkrechten Baumrinde, die spezialisierten Zähne zum Annagen der Baumrinde. Insekten machen rund 20 % ihrer Nahrung aus, Früchte nehmen sie hingegen kaum zu sich.

Gefährdung

Der Südliche Kielnagelgalago ist weit verbreitet und häufig, er wird von der IUCN als „nicht gefährdet“ (least concern) gelistet.

Literatur

Weblinks

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Südlicher Kielnagelgalago: Brief Summary ( германски )

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Der Südliche Kielnagelgalago (Euoticus elegantulus) ist eine Primatenart aus der Familie der Galagos (Galagonidae).

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Southern needle-clawed bushbaby ( англиски )

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The southern needle-clawed bushbaby (Euoticus elegantulus) is a species of strepsirrhine primate in the family Galagidae. Found in Cameroon, Central African Republic, Republic of the Congo, and possibly Democratic Republic of the Congo, its natural habitat is tropical moist forests. While the species is not threatened or endangered, some local populations may be threatened by habitat destruction.[2]

Description

This species is medium-sized, with a head-and-body length of 200 mm (8 in) and a tail of 290 mm (11.4 in). The sexes are similar in appearance, but there is considerable geographical variation in this species; animals from near the coast are larger and paler than those from inland. The upper parts of the body are bright orange, often darker on the shoulders, contrasting with the silvery-grey of the underparts and inner sides of the limbs. The tip of the tail is whitish in many individuals. In common with the northern needle-clawed bushbaby (Euoticus pallidus), the nails have strong ridges and end in sharp points, an adaptation for climbing about on large tree limbs. The southern species differs from the northern in having a narrow gap between the upper two central incisors, and the nasal bones being wider at the front. Both species differ from other galagos in having a single pair of nipples.[3]

Distribution and habitat

The southern needle-clawed bushbaby is found in western Central Africa where it is present in Cameroon, Central African Republic, Equatorial Guinea, Congo and possibly also in the Democratic Republic of Congo. Its range extends from the Sanaga River to the Congo River and the Ubangi River. It inhabits both primary and secondary forests, but is more common in secondary growth where there are larger numbers of gum and resin-producing trees.[2]

Ecology

Bushbabies in this genus are specialist consumers of gum.[3] The distinctive teeth, with fan-like lower incisors with sharp-cutting edges, are probably used to enlarge wounds in tree limbs so that gum is exuded more freely. It is unlikely that these teeth are capable of making gashes in large limbs with thick bark, so the animal is probably reliant on wounds made by anomalures, cicadas and wood-boring beetles. Trees on which this species likes to feed include Albizia, Entada and Newtonia species.[3] Other features which it shares with other specialised gum-eating primates, such as the Masoala fork-marked lemur, include a long, extensible tongue, an enlarged upper first premolar, a large caecum and sharp nails for climbing and gripping.[4]

A solitary, nocturnal animal, the southern needle-clawed bushbaby communicates with other individuals by voice and by urine marking.[4]

Status

E. elegantulus has a wide range and is a common species. No specific threats have been recognised but in places it is locally threatened by deforestation. The population is steady and the range includes a number of protected areas, so the International Union for Conservation of Nature has assessed its conservation status as being of "least concern".[2]

References

  1. ^ Groves, C. P. (2005). "Order Primates". In Wilson, D. E.; Reeder, D. M (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 123. ISBN 978-0-8018-8221-0. OCLC 62265494.
  2. ^ a b c d Oates, J.F.; Butynski, T.M. (2019). "Euoticus elegantulus". IUCN Red List of Threatened Species. 2019: e.T8265A17961768. doi:10.2305/IUCN.UK.2019-3.RLTS.T8265A17961768.en. Retrieved 16 November 2021.
  3. ^ a b c Kingdon, Jonathan; Happold, David; Butynski, Thomas; Hoffmann, Michael; Happold, Meredith; Kalina, Jan (2013). Mammals of Africa. A&C Black. pp. 441–444. ISBN 978-1-4081-8996-2.
  4. ^ a b Charles-Dominique, P. (2012). Nocturnal Malagasy primates: Ecology, Physiology, and Behavior. Elsevier Science. p. 93. ISBN 978-0-323-15971-5.
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Southern needle-clawed bushbaby: Brief Summary ( англиски )

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The southern needle-clawed bushbaby (Euoticus elegantulus) is a species of strepsirrhine primate in the family Galagidae. Found in Cameroon, Central African Republic, Republic of the Congo, and possibly Democratic Republic of the Congo, its natural habitat is tropical moist forests. While the species is not threatened or endangered, some local populations may be threatened by habitat destruction.

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Euoticus elegantulus ( шпански; кастиљски )

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El gálago elegante del sur (Euoticus elegantulus) es una especie de primate estrepsirrino perteneciente a la familia Galagidae.

Distribución geográfica y hábitat

Se encuentra en Camerún, República Centroafricana, República del Congo, Guinea Ecuatorial (Río Muni), Gabón y posiblemente Angola (Cabinda) y República Democrática del Congo. Su hábitat natural es el bosque seco tropical o subtropical.

Estado de conservación

A pesar de que la especie no se considera amenazada, algunas poblaciones a nivel local se consideran amenazadas por la pérdida de su hábitat.[2]

Referencias

  1. Groves, Colin (2005). Wilson, D. E.; Reeder, D. M., eds. Mammal Species of the World (3ª edición). Baltimore: Johns Hopkins University Press. p. 123. ISBN 0-8018-8221-4.
  2. a b Bearder, S. (2008). «Euoticus elegantulus». Lista Roja de especies amenazadas de la UICN 2008 (en inglés). ISSN 2307-8235. Consultado el 1 de enero de 2009.

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Euoticus elegantulus: Brief Summary ( шпански; кастиљски )

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El gálago elegante del sur (Euoticus elegantulus) es una especie de primate estrepsirrino perteneciente a la familia Galagidae.

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Euoticus elegantulus ( баскиски )

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Euoticus elegantulus Euoticus generoko espezieetako bat da. Primate estrepsirrinoak dira. Kamerun, Afrika Erdiko Errepublika, Kongoko Errepublika, Ekuatore Ginea eta Gabonen bizi dira, baina baliteke Angola eta Kongoko Errepublika Demokratikoan ere bizitzea. Tropiko-azpiko edo tropikoetako baso lehorretan bizi dira eta euren habitata desagertzen ari da.

Erreferentziak


Biologia Artikulu hau biologiari buruzko zirriborroa da. Wikipedia lagun dezakezu edukia osatuz.
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Euoticus elegantulus: Brief Summary ( баскиски )

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Euoticus elegantulus Euoticus generoko espezieetako bat da. Primate estrepsirrinoak dira. Kamerun, Afrika Erdiko Errepublika, Kongoko Errepublika, Ekuatore Ginea eta Gabonen bizi dira, baina baliteke Angola eta Kongoko Errepublika Demokratikoan ere bizitzea. Tropiko-azpiko edo tropikoetako baso lehorretan bizi dira eta euren habitata desagertzen ari da.

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Euoticus elegantulus ( француски )

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Le Galago élégant[4] ou Galago mignon[4] (Euoticus elegantulus) est une espèce de primates strepsirrhinien de la famille des Galagidae.

Répartition et habitat

Southern Needle-clawed Bushbaby area.png

Cette espèce est présente au Cameroun, en République centrafricaine, au Gabon, en Guinée équatoriale et en République du Congo. Elle vit dans les forêts tropicales humides primaires et secondaires de basse altitude[5].

Notes et références

  1. Integrated Taxonomic Information System (ITIS), www.itis.gov, CC0 https://doi.org/10.5066/F7KH0KBK, consulté le 6 septembre 2017
  2. a et b Mammal Species of the World (version 3, 2005), consulté le 6 septembre 2017
  3. UICN, consulté le 6 septembre 2017
  4. a et b (en) Murray Wrobel, Elsevier's Dictionary of Mammals : in Latin, English, German, French and Italian, Amsterdam, Elsevier, 2007, 857 p. (ISBN 978-0-444-51877-4, lire en ligne), entrée N°2236.
  5. UICN, consulté lors d'une mise à jour du lien externe

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Euoticus elegantulus: Brief Summary ( француски )

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Le Galago élégant ou Galago mignon (Euoticus elegantulus) est une espèce de primates strepsirrhinien de la famille des Galagidae.

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Euoticus elegantulus ( италијански )

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Il galagone dalle unghie ad ago occidentale (Euoticus elegantulus) è una specie di primate strepsirrino della famiglia dei galagidi.

Distribuzione

Questo animale è diffuso nella fascia costiera di Nigeria e Camerun, in Guinea Equatoriale (parte continentale), Gabon e Repubblica del Congo: pare sia stata segnalata la sua presenza anche in Zaire e Angola.
Predilige le aree di foresta pluviale, dove occupa le chiome degli alberi fino a 50 m d'altezza.

Descrizione

Dimensioni

Misura circa mezzo metro di lunghezza, di cui più di metà spetta alla coda. Il peso si aggira attorno ai 300g.

Aspetto

Il pelo è folto e morbido, di un caldo color cannella: è spesso presente una banda scura che percorre la spina dorsale.

La testa è grossa e rotonda, con un muso corto e due grandi occhi da animale notturno: le orecchie sono anch'esse di grandi dimensioni. L'animale può ruotare la testa di 180° nelle due direzioni, il che compensa la relativa immobilità degli occhi. Oltre agli incisivi inferiori che formano un pettine, questi animali hanno anche un secondo pettine carnoso sotto la lingua.
Questi animali devono il nome alla particolare conformazione delle unghie, che sono sottili ed allungate, ad eccezione del dito indice delle mani posteriori, che possiede un'unghia speciale per il grooming. Le dita sono lunghe e presentano i polpastrelli rigonfi per una migliore presa sui rami lisci.

Biologia

Questi animali sono considerati notturni e solitari, anche se non sono né notturni e né solitari nel senso stretto del termine: si nutrono solitamente durante la notte, le femmine in gruppi ed i maschi da soli, mentre al mattino le femmine formano gruppi matriarcali che mantengono i legami tramite il grooming e leccandosi a vicenda. Durante il giorno, i galagoni dormono in gruppi che possono raggiungere i 20 individui.
Si tratta di animali territoriali, che marcano un territorio con urina e secreti ghiandolari ed emettono una gamma di suoni per avvertire eventuali intrusi dello sconfinamento. Solitamente, i territori sono gestiti da un maschio grosso e pesante, il quale tollera tuttavia la presenza di maschi più piccoli nella periferia del territorio, che solitamente è sovrapposto a quello di più femmine.
Possono spiccare balzi di 12 m di lunghezza: durante il salto, estendono al massimo zampe anteriori e posteriori, sì da poter contare su un effetto paracadute.
Da studi fatti negli anni '40 è emerso che questi galagoni sono portatori sani della febbre gialla: vanno perciò tenuti in quarantena per molto tempo per assicurarsi che non contagino delle persone.

Alimentazione

Questi animali si nutrono principalmente di gomma, anche se non disdegnano di integrare saltuariamente la dieta con insetti e frutti.
I galagoni dalle unghie ad ago sono soliti compiere percorsi regolari di albero in albero, suggendo la gomma da un ramo diverso ogni notte.

Riproduzione

Se la disponibilità di cibo è elevata, la femmina può portare a termine con successo due gravidanze all'anno: picchi delle nascite si hanno in piena estate ed in pieno inverno australi.
La gestazione dura 4 mesi, al termine dei quali viene dato alla luce un unico cucciolo: per evitare fenomeni di infanticidio da parte del maschio, la madre si nasconde per tre giorni dopo il parto. Il piccolo viene svezzato attorno al mese e mezzo d'età, e a 4 mesi si separa dalla madre, anche se dovrà aspettare l'anno prima di essere completamente cresciuto.

La speranza di vita di questi animali è di 10-15 anni in cattività, mentre in natura scende a 3-4 anni.

Note

Bibliografia

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Euoticus elegantulus: Brief Summary ( италијански )

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Il galagone dalle unghie ad ago occidentale (Euoticus elegantulus) è una specie di primate strepsirrino della famiglia dei galagidi.

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Zuidelijke kielnagelgalago ( холандски; фламански )

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De zuidelijke kielnagelgalago (Euoticus elegantulus) is een zoogdier uit de familie van de galago's (Galagidae). De wetenschappelijke naam van de soort werd voor het eerst geldig gepubliceerd door Le Conte in 1857.

Kenmerken

De bovenkant van dit dier is oranje, de onderkant grijs. De handen en voeten hebben een roze kleur en het heeft een lange, witgepunte grijze staart. De ovale ogen zijn omlijst door lichte haren. Met de dunne, scherpe klauwen kunnen ze goed klimmen. De tweede achterteen bevat een opgerichte klauw, die dient om ermee in de vacht te krabben en te kammen. De lichaamslengte bedraagt 10,5 tot 27 cm, de staartlengte 19,5 tot 34 cm en het gewicht 275 tot 350 gram.

Leefwijze

Dit dier heeft vergrote voortanden, waarmee hout en bast van de bomen wordt geschrapt (zo’n 1000 maal per nacht) om bij de gom of het sap te komen, dat driekwart van hun dieet uitmaakt. Daarnaast worden ook nog vruchten en insecten gegeten.

Verspreiding

Deze solitaire of in paren levende soort komt voor in de tropische bossen van West-Afrika, met name in Gabon, Congo, Rio Muni en Kameroen (zuidelijk van de Sanaga-rivier).

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Zuidelijke kielnagelgalago: Brief Summary ( холандски; фламански )

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De zuidelijke kielnagelgalago (Euoticus elegantulus) is een zoogdier uit de familie van de galago's (Galagidae). De wetenschappelijke naam van de soort werd voor het eerst geldig gepubliceerd door Le Conte in 1857.

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Vestlig klogalago ( норвешки )

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Denne arten likner andre Galagoer i kroppsbygning og har oransje rygg, grå buk, rosa hender og føtter og en lang, grå hale med hvitt haletipp. Øynene er ovale, med en rand av lys pels. Klørne er tynne og skarpe, slik at den får et godt grep når den klatrer. Som hos alle galagoer og lorier har andre tå på bakfoten en «pusseklo» som vender oppover og som kan brukes til å gre og klø pelsen med.

Arten er utbredt i Vest-Afrika.

Kosthold

Den skarper i tre og bark med de store fortennene for å få kvae og sevje, som utgjør tre firedeler av kostholdet, i tillegg til frukt og insekter. Den kan skrape frem kvae 1000 ganger i løpet av én natt.

Utseende

  • Lengde: 10,5 - 25 cm
  • Vekt: 275 - 350 g
  • Hale: 19,5 - 34 cm
  • Sosial enhet: Alene/par

Eksterne lenker

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Vestlig klogalago: Brief Summary ( норвешки )

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Denne arten likner andre Galagoer i kroppsbygning og har oransje rygg, grå buk, rosa hender og føtter og en lang, grå hale med hvitt haletipp. Øynene er ovale, med en rand av lys pels. Klørne er tynne og skarpe, slik at den får et godt grep når den klatrer. Som hos alle galagoer og lorier har andre tå på bakfoten en «pusseklo» som vender oppover og som kan brukes til å gre og klø pelsen med.

Arten er utbredt i Vest-Afrika.

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Västlig klogalago ( шведски )

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Västlig klogalago (Euoticus elegantulus[2][3][4]) är en däggdjursart som först beskrevs av John Lawrence Le Conte 1857. Euoticus elegantulus ingår i släktet klogalagoer och familjen galagoer.[5][6] Inga underarter finns listade.[5]

Utseende

Arten når en kroppslängd (huvud och bål) mellan 22 och 24 cm samt en vikt mellan 270 och 360 gram. Därtill kommer den cirka 30 cm långa svansen.[7] Pälsen har huvudsakligen en kanelbrun till grå färg och på ryggen finns en mörk längsgående strimma. Påfallande är de stora öronen och ögonen. Västlig klogalago har vid de flesta tårna spetsiga naglar som påminner om klor, bara vid andra tån av framtassarna finns en äkta klo. Artens första premolarer liknar hörntänder.[7]

Utbredning och habitat

Denna primat förekommer i västcentrala Afrika vid Guineabukten. Utbredningsområdet sträcker sig från centrala Kamerun till västra Kongo-Kinshasa och österut till östra gränsen av Kongo-Brazzaville. Habitatet utgörs av tropiska regnskogar och andra fuktiga skogar i låglandet.[1]

Ekologi

Västlig klogalago är främst aktiv på natten. Den klättrar oftast i trädens högra delar som ligger 5 till 35 meter över marken. Hannar söker vanligen ensam efter föda och honor bildar små flockar. När de vilar bildas blandade grupper med bägge kön. Flocken har vanligen upp till 8 medlemmar och maximalt 20 medlemmar. Vid viloplatsen konstrueras bon av kvistar och löv eller individerna gömmer sig i trädens håligheter. Gruppen har ett revir som markeras med körtelvätska. För kommunikationen har de flera olika läten.[7][8]

Arten klättrar med fyra extremiteter och kan hoppa 12 meter från träd till träd. Den äter huvudsakligen naturgummi och slickar trädets vätskor. Dessutom äts insekter och några få frukter.[7]

Honor kan para sig två gånger per år och föder efter cirka fyra månaders dräktighet ett ungdjur. Ungen börjar efter 4 till 8 veckor med fast föda och 2 till 3 veckor senare slutar modern med digivning. Honor med nyfödda ungdjur vistas sällan nära flockens hannar då hannar ibland dödar sina ungar. Det är inte känt när västlig klogalago blir könsmogen.[7] Hannar letar efter en ny flock innan de parar sig för första gången.[8] Livslängden i naturen går upp till 4 år och några individer i fångenskap blev 15 år gamla.[7]

Hot och status

Västlig klogalago hotas i vissa regioner av skogsavverkningar men allmänt är beståndet inte hotad. IUCN kategoriserar arten globalt som livskraftig.[1]

Källor

  1. ^ [a b c] 2008 Euoticus elegantulus Från: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2 <www.iucnredlist.org>. Läst 2012-10-24.
  2. ^ Wilson, Don E., and DeeAnn M. Reeder, eds. (1992) , Mammal Species of the World: A Taxonomic and Geographic Reference, 2nd ed., 3rd printing
  3. ^ (2005) , website Euoticus elegantulus, Mammal Species of the World
  4. ^ Wilson, Don E., and F. Russell Cole (2000) , Common Names of Mammals of the World
  5. ^ [a b] Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (red.) (25 april 2011). ”Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist.”. Species 2000: Reading, UK. http://www.catalogueoflife.org/annual-checklist/2011/search/all/key/euoticus+elegantulus/match/1. Läst 24 september 2012.
  6. ^ ITIS: The Integrated Taxonomic Information System. Orrell T. (custodian), 2011-04-26
  7. ^ [a b c d e f] L. Santilli (25 april 2002). ”Western needle-clawed galago” (på engelska). Animal Diversity Web. University of Michigan. http://animaldiversity.ummz.umich.edu/accounts/Euoticus_elegantulus/. Läst 13 oktober 2013.
  8. ^ [a b] Sean Flannery (25 april 2007). Euoticus elegantulus (på engelska). Primate Fact Sheets. http://www.theprimata.com/euoticus_elegantulus.html. Läst 13 oktober 2013.

Externa länkar

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Västlig klogalago: Brief Summary ( шведски )

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Västlig klogalago (Euoticus elegantulus) är en däggdjursart som först beskrevs av John Lawrence Le Conte 1857. Euoticus elegantulus ingår i släktet klogalagoer och familjen galagoer. Inga underarter finns listade.

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Euoticus elegantulus ( виетнамски )

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Euoticus elegantulus là một loài động vật có vú trong họ Galagidae, bộ Linh trưởng. Loài này được Le Conte mô tả năm 1857.[2]

Chú thích

  1. ^ Bearder, S. (2008). Euoticus elegantulus. 2008 Sách đỏ IUCN. Liên minh Bảo tồn Thiên nhiên Quốc tế 2008. Truy cập ngày 1 tháng 1 năm 2009.
  2. ^ a ă Wilson, D. E.; Reeder, D. M. biên tập (2005). “Euoticus elegantulus”. Mammal Species of the World . Baltimore: Nhà in Đại học Johns Hopkins, 2 tập (2.142 trang). ISBN 978-0-8018-8221-0. OCLC 62265494.

Tham khảo


Hình tượng sơ khai Bài viết liên quan đến Bộ Linh trưởng này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn.
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Euoticus elegantulus: Brief Summary ( виетнамски )

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Euoticus elegantulus là một loài động vật có vú trong họ Galagidae, bộ Linh trưởng. Loài này được Le Conte mô tả năm 1857.

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Изящный галаго ( руски )

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Царство: Животные
Подцарство: Эуметазои
Без ранга: Вторичноротые
Подтип: Позвоночные
Инфратип: Челюстноротые
Надкласс: Четвероногие
Подкласс: Звери
Инфракласс: Плацентарные
Надотряд: Euarchontoglires
Грандотряд: Euarchonta
Миротряд: Приматообразные
Отряд: Приматы
Инфраотряд: Лориобразные
Семейство: Галаговые
Вид: Изящный галаго
Международное научное название

Euoticus elegantulus (Le Conte, 1857)

Ареал

изображение

Охранный статус Wikispecies-logo.svg
Систематика
на Викивидах
Commons-logo.svg
Изображения
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ITIS 572893NCBI 261736EOL 324408FW 238589

Изящный галаго[1] (лат. Euoticus elegantulus) — примат семейства галаговые. Встречается в Камеруне, Центрально-африканской Республике, Республике Конго, Экваториальной Гвинее, Габоне, возможно также в Анголе и Демократической Республике Конго. Населяет субтропические и тропические сухие леса. Хотя Международный союз охраны природы присвоил этому виду охранный статус «вызывающий наименьшие опасения», отдельные популяции могут страдать от разрушения среды обитания.[2]

Примечания

  1. Полная иллюстрированная энциклопедия. «Млекопитающие» Кн. 2 = The New Encyclopedia of Mammals / под ред. Д. Макдональда. — М.: Омега, 2007. — С. 456. — 3000 экз.ISBN 978-5-465-01346-8.
  2. Euoticus elegantulus (англ.). The IUCN Red List of Threatened Species.
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Изящный галаго: Brief Summary ( руски )

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Изящный галаго (лат. Euoticus elegantulus) — примат семейства галаговые. Встречается в Камеруне, Центрально-африканской Республике, Республике Конго, Экваториальной Гвинее, Габоне, возможно также в Анголе и Демократической Республике Конго. Населяет субтропические и тропические сухие леса. Хотя Международный союз охраны природы присвоил этому виду охранный статус «вызывающий наименьшие опасения», отдельные популяции могут страдать от разрушения среды обитания.

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남부바늘발톱갈라고 ( корејски )

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남부바늘발톱갈라고 또는 남부바늘발톱부시베이비(Euoticus elegantulus)는 갈라고과에 속하는 영장류의 일종이다. 카메룬, 중앙아프리카공화국, 콩고공화국, 적도기니 그리고 가봉에서 발견되며, 앙골라콩고민주공화국에도 서식하는 것으로 보인다. 자연 서식지는 아열대 또는 열대 건조 기후 지역의 숲이다. 멸종 위기종으로 취급되지는 않지만, 일부 지역의 개체군은 서식지 감소로 생존이 위협받고 있다.[2]

각주

  1. Groves, C.P. (2005). Wilson, D.E.; Reeder, D.M., 편집. 《Mammal Species of the World: A Taxonomic and Geographic Reference》 (영어) 3판. 존스 홉킨스 대학교 출판사. 123쪽. ISBN 0-801-88221-4. OCLC 62265494.
  2. “Euoticus elegantulus”. 《멸종 위기 종의 IUCN 적색 목록. 2008판》 (영어). 국제 자연 보전 연맹. 2008. 2009년 1월 1일에 확인함.
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