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Myotis diminutus ( Catalan; Valencian )

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Myotis diminutus és una espècie de ratpenat de la família dels vespertiliònids. Fou descrit com a espècie el 2011, tot i que havia estat descobert el 1979. Viu als boscos de l'est dels Andes a l'Equador.

Pesa 3,5 grams i la llargada dels braços inferiors és 33 mm. És l'espècie més petita del gènere Myotis. Té el pelatge marró. Els pèls a la panxa són més clars a l'arrel que a la punta. A l'esquena no hi ha gaire diferència de color.

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Myotis diminutus: Brief Summary ( Catalan; Valencian )

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Myotis diminutus és una espècie de ratpenat de la família dels vespertiliònids. Fou descrit com a espècie el 2011, tot i que havia estat descobert el 1979. Viu als boscos de l'est dels Andes a l'Equador.

Pesa 3,5 grams i la llargada dels braços inferiors és 33 mm. És l'espècie més petita del gènere Myotis. Té el pelatge marró. Els pèls a la panxa són més clars a l'arrel que a la punta. A l'esquena no hi ha gaire diferència de color.

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Myotis diminutus

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Myotis diminutus is a species of mouse-eared bat found in Ecuador and Colombia. It was recently described as a new species in 2011.

Taxonomy and etymology

Myotis diminutus was described as a new species in 2011 by Moratelli and Wilson. The holotype was collected in February 1979 47 km (29 mi) south of Santo Domingo, Ecuador. The species name "diminutus" is Latin for "diminutive". Moratelli and Wilson selected this name because M. diminutus was the smallest species of mouse-eared bat yet described in South America.[2]

Description

Superficially, M. diminutus is similar to the black myotis in appearance. Very few individuals have ever been documented. Based on the measurements of one individual, a subadult male, individuals weigh approximately 3.5 g (0.12 oz) and have a forearm length of 33.3 mm (1.31 in). Its ears are short, at 11 mm (0.43 in) in length. It has silky, cinnamon-brown fur. Its skull lacks a sagittal crest.[2]

Range

The species was first documented in Ecuador. However, a review of museum specimens identified a second individual that had been collected in the Nariño Department of Colombia in 1959.[3] With only two confirmed localities, its elevation range of occurrence is 150–225 m (492–738 ft) above sea level.[1]

References

  1. ^ a b Solari, S. (2017). "Myotis diminutus". IUCN Red List of Threatened Species. 2017: e.T88151417A88151431. doi:10.2305/IUCN.UK.2017-2.RLTS.T88151417A88151431.en. Retrieved 19 November 2021.
  2. ^ a b Moratelli, Ricardo; Wilson, Don E. (2011). "A new species of Myotis Kaup, 1829 (Chiroptera, Vespertilionidae) from Ecuador". Mammalian Biology. 76 (5): 608–614. doi:10.1016/j.mambio.2010.10.003.
  3. ^ Moratelli, Ricardo; Wilson, Don E. (2015). "A second record of Myotis diminutus (Chiroptera: Vespertilionidae): Its bearing on the taxonomy of the species and discrimination from M. Nigricans". Proceedings of the Biological Society of Washington. 127 (4): 533–542. doi:10.2988/0006-324X-127.4.533. S2CID 85715605.
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Myotis diminutus: Brief Summary

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Myotis diminutus is a species of mouse-eared bat found in Ecuador and Colombia. It was recently described as a new species in 2011.

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Myotis diminutus ( French )

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Myotis diminutus est une espèce de chauve-souris de la famille des Vespertilionidae découverte en 1979 en Équateur. Elle n'a obtenu rang d'espèce qu'en 2010[1].
Avec un poids de 3,5 grammes, il s'agit de l'une des plus petites chauve-souris du genre Myotis connues en Amérique du Sud[2].

Notes et références

  1. (en) Ricardo Moratellia et Don E. Wilson, « A new species of Myotis Kaup, 1829 (Chiroptera, Vespertilionidae) from Ecuador », Mammalian Biology - Zeitschrift fur Saugetierkunde, Elsevier GmbH, vol. 75, no 6,‎ 2010, p. 475-580 (DOI )
  2. Maxisciences, « Nouvelle espèce : découverte de la plus petite chauve-souris de son genre en Amérique du sud », 2010
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Myotis diminutus: Brief Summary ( French )

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Myotis diminutus est une espèce de chauve-souris de la famille des Vespertilionidae découverte en 1979 en Équateur. Elle n'a obtenu rang d'espèce qu'en 2010.
Avec un poids de 3,5 grammes, il s'agit de l'une des plus petites chauve-souris du genre Myotis connues en Amérique du Sud.

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Myotis diminutus ( Italian )

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Myotis diminutus (Moratelli & Wilson, 2011) è un pipistrello della famiglia dei Vespertilionidi endemico dell'Ecuador.[1][2]

Descrizione

Dimensioni

Pipistrello di piccole dimensioni con la lunghezza dell'avambraccio tra 33,3 e 33,4 mm, la lunghezza delle orecchie di 11 mm e un peso fino a 3,5 g.[3][4]

Aspetto

La pelliccia è lunga e setosa. Le parti dorsali sono bruno-rossastre, mentre le parti ventrali sono marroni con le punte dei peli giallo-brunastre. Le orecchie sono corte. Le ali sono attaccate posteriormente alla base delle dita dei piedi, i quali sono piccoli. La coda è lunga ed inclusa completamente nell'ampio uropatagio.

Biologia

Alimentazione

Si nutre di insetti.

Distribuzione e habitat

Questa specie è conosciuta soltanto da due esemplari, un individuo maschio catturato nel 1979 presso Santo Domingo, Los Rios nell'Ecuador centro-occidentale, ora conservato presso il National Museum of Natural History di Washington con numero di catalogo USNM 528569 e una femmina catturata nel 1959 nel Dipartimento di Nariño, nella Colombia sud-occidentale ed ora conservato presso il Museo di Storia Naturale della Contea di Los Angeles con numero di catalogo LACM 18761.

Vive probabilmente nelle foreste umide tropicali fino a 600 metri di altitudine.

Stato di conservazione

Questa specie, essendo stata scoperta solo recentemente, non è stata sottoposta ancora a nessun criterio di conservazione. Probabilmente è già estinta.

Note

  1. ^ a b (EN) Myotis diminutus, su IUCN Red List of Threatened Species, Versione 2020.2, IUCN, 2020.
  2. ^ (EN) D.E. Wilson e D.M. Reeder, Mammal Species of the World. A Taxonomic and Geographic Reference, 3ª ed., Johns Hopkins University Press, 2005, ISBN 0-8018-8221-4.
  3. ^ Moratelli & Wilson, 2011.
  4. ^ Moratelli & Wilson, 2014.

Bibliografia

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Myotis diminutus: Brief Summary ( Italian )

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Myotis diminutus (Moratelli & Wilson, 2011) è un pipistrello della famiglia dei Vespertilionidi endemico dell'Ecuador.

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Myotis diminutus ( Dutch; Flemish )

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Myotis diminutus is een vleermuissoort uit de familie der gladneuzen. Hij werd voor het eerst als aparte soort beschreven in 2010/2011, hoewel de eerste vondst dateert van 1979.

Leefgebied

M. diminutus leeft in de wouden op de hellingen in het westen van de Andes in Ecuador.

Kenmerken

De vleermuis weegt circa 3,5 gram. De voorarmen zijn zo'n 33 mm lang. Het is de kleinste soort van het geslacht Myotis. Hij heeft een bruine vacht. De haren op de buik zijn aan de wortel lichter dan op de top; op de rug is er weinig verschil in kleur.

Naamgeving

De soortaanduiding diminitus is Latijn voor "verkleind", wat verwijst naar de omvang van het dier.

Bronnen

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Myotis diminutus: Brief Summary ( Dutch; Flemish )

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Myotis diminutus is een vleermuissoort uit de familie der gladneuzen. Hij werd voor het eerst als aparte soort beschreven in 2010/2011, hoewel de eerste vondst dateert van 1979.

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Myotis diminutus ( Ukrainian )

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Myotis diminutus — вид роду Нічниця (Myotis).

Поширення, поведінка

Проживання: Еквадор. Вагою 3,5 грама, він є одним із найменших рукокрилих роду Myotis відомих в Південній Америці.

Джерела


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Myotis diminutus: Brief Summary ( Ukrainian )

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Myotis diminutus — вид роду Нічниця (Myotis).

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작은박쥐 ( Korean )

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작은박쥐(Myotis diminutus)는 애기박쥐과 윗수염박쥐속에 속하는 박쥐이다. 에콰도르의 토착종이다.

특징

작은 박쥐로 전완장은 33.3mm이고, 귀 길이는 11mm, 몸무게는 최대 3.5g이다.[1][2] 털은 길고 윤기가 흐른다. 등 쪽은 갈색과 붉은색을 띠는 반면에 배 쪽은 갈색이고 털 끝은 갈색빛과 누르스름한 색을 띤다. 귀는 짧다. 날개는 작고, 발가락 아래 부분에 붙어 있다. 꼬리는 길고 넓은 꼬리비막에 완전히 가려져 감춰진다.

생태

먹이는 곤충이다.

분포 및 서식지

표본은 단 2점만이 알려져 있으며, 1979년 에콰도르 중서부 로스리오스 주 산토 도밍고에서 포획된 표본은 미국 워싱턴 D.C. 국립 자연사 박물관에 USNM 카탈로그 번호 528569로 보관되어 있고, 1959년에 콜롬비아 남서부 나리뇨 주에서 포획된 암컷 표본은 현재 미국 로스앤젤레스 군 자연사박물관에 카탈로그 번호 LACM 18761로 보돤되어 있다.

해발 최대 600m의 열대 습윤 숲에서 서식하는 것으로 추정하고 있다.

각주

  1. Moratelli R & Wilson DE, A new species of Myotis Kaup, 1829 (Chiroptera, Vespertilionidae) from Ecuador , in Mammalian Biology , vol. 76, 2011, pp. 608-614.
  2. Moratelli R & Wilson DE, A second record of Myotis diminutus (Chiroptera: Vespertilionidae): its bearing on the taxonomy of the species and from M.nigricans , in Proceedings of the Biological Society of Washington , vol. 127, No. 4, 2014, pp. 533-542.
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