Osteocephalus yasuni

Osteocephalus yasuni is a species of frogs in the family Hylidae. It is found in the upper Amazon Basin in southern Colombia (Amazonas and Caquetá Departments), Ecuador, and northeastern Peru (Loreto Region) at elevations of 70–250 m (230–820 ft) above sea level.[2][3][4] The specific name yasuni refers to the Yasuni National Park where its type locality is.[3]

Osteocephalus yasuni
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Hylidae
Genus: Osteocephalus
Species:
O. yasuni
Binomial name
Osteocephalus yasuni
Ron and Pramuk, 1999

Description

Males measure 44–56 mm (1.7–2.2 in) and females 43–62 mm (1.7–2.4 in) in snout–vent length. The dorsum is brown with dark brown spots. The ventral coloration varies, from bright yellow to yellowish cream in adult males and cream in adult females. Males have rough skin while females have smooth skin. It has expanded discs on the fingers.[3]

Habitat and conservation

The species' natural habitats are tropical primary moist forests, in both terra firme and seasonally flooded forests. It breeds in temporary pools.[1] It is nocturnal, although during some months males can be heard calling during the daytime.[3]

It is locally affected by habitat loss, but there are no major threats to this reasonably abundant and widespread species. It occurs in a number of protected areas, including its namesake Yasuni National Park.[1]

References
  1. Angulo, A., Coloma, L.A., Ron, S., Jungfer, K.-H. & Cisneros-Heredia, D. (2004). "Osteocephalus yasuni". IUCN Red List of Threatened Species. 2004: e.T55805A11365554. doi:10.2305/IUCN.UK.2004.RLTS.T55805A11365554.en.CS1 maint: uses authors parameter (link)
  2. Frost, Darrel R. (2016). "Osteocephalus yasuni Ron and Pramuk, 1999". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 29 May 2016.
  3. Read, M. and Ron, S. R. (2011–2015). "Osteocephalus yasuni". Ron, S. R., Guayasamin, J. M., Yanez-Muñoz, M. H., Merino-Viteri, A., Ortiz, D. A. and Nicolalde, D. A. 2016. AmphibiaWebEcuador. Version 2016.0. Museo de Zoología, Pontificia Universidad Católica del Ecuador (QCAZ). Retrieved 29 May 2016.CS1 maint: uses authors parameter (link)
  4. Acosta Galvis, A. R. & D. Cuentas (2016). "Osteocephalus yasuni Ron & Pramuk, 1999". Lista de los Anfibios de Colombia V.05.2015. www.batrachia.com. Retrieved 29 May 2016.CS1 maint: uses authors parameter (link)
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