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Olingos (Bassaricyons) are members of the raccoon family (Procyonidae). They inhabit multi-strata tropical evergreen rainforests of Central and South America from Nicaragua to Peru at elevations from sea level to 2,000 m. They do not seem to adapt readily to disturbed or secondary forests, nor to plantations and gardens. They are highly dependent on intact tropical humid forest and are very susceptible to deforestation. They are arboreal and nocturnal. They probably feed mainly on fruits, invetebrates and small vertebrates and may be more carnivorous than are kinkajous. Adults seem to forage singly or with kinkajous and are less social than kinkajous. Olingos seem to be monogamous and may feed at baited stations by day. They resemble the kinkajou in morphology and habits, but the tail is not prehensile and the tongue is not extrudable. The muzzle is longer and there is an anal scent gland. Genetic studies show that the olingos' closest relatives are coatis.[Koepfli et al, 2007] The similarities between kinkajous and olingos are due to parallel evolution. The status of the various olingos is disputed. Some scientists recognise five species [Honacki et al, 1982]. Only the bushy-tailed olingo (Bassaricyon gabbii) is particularly well-known and is sometimes called an olingo. The other species of olingos may prove to be subspecies of it [Emmons, 1990] or there may be two species: The common olingo (B. gabbii [including B. lasius and B. pauli]) and Allen's olingo (B. alleni [including B. beddardi]) [Eisenberg, 1989, Macdonald, 1988]. Olingos are rare in zoos and are often misidentified as kinkajous. An undescribed olingo closely related to B. alleni was discovered in 2006 by Kristofer Helgen at Las Maquinas in the Andes of Ecuador.[Handbook of the Mammals of the World, 2009] References 1. Wozencraft, W. C. (2005). "Order Carnivora". In Wilson, D.E. and D.M. Reeder. Mammal Species of the World (3rd ed.). Johns Hopkins University Press. ISBN 978-0-8018-8221-0. OCLC 62265494. 2. K.-P. Koepfli, M.E. Gompper, E. Eizirik, C.-C. Ho, L. Linden, J.E. Maldonado, R.K. Wayne (2007). "Phylogeny of the Procyonidae (Mammalia: Carvnivora): Molecules, morphology and the Great American Interchange". Molecular Phylogenetics and Evolution 43(3): 1076–1095. doi:10.1016/j.ympev.2006.10.003. PMID 17174109. 3. Handbook of the Mammals of the World (2009). ISBN 978-84-96553-49-1