seen from United States
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Vasquez's Spiny-backed Tree Frog (Osteocephalus vasquezi), family Hylidae, central Peru
Discovered in 2023.
photograph via: A new species of spiny-backed tree frog, genus Osteocephalus (Anura, Hylidae), from the Yanachaga Chemillén National Park in central Peru (pensoft.net)
Osteocephalus alboguttatus by Ross Maynard
Strange Sexy Time in French Guiana
(LEFT) A male Cayenne Slender-legged Tree Frog (Osteocephalus leprieurii) attempts to mate with a male Surinam Golden-eyed Tree Frog (Trachycephalus coriaceus), both in the family Hylidae...
(RIGHT) Right next to male and female Surinam Horned Frogs (Ceratophrys cornuta) mating, family Ceratophryidae
photograph by Jungle Merlin
Osteocephalus cannatellai
Osteocephalus cannatellai (Hylidae) is a species of tree frog just described in 2012 from the Ecuadorian and Peruvian Amazon basin, distinctive by a bronze iris with irregular black reticulations, areolate skin on the flanks, dorsal tubercles, and prominent tubercles in the tarsus.
Reference: [1]
Photo credit: ©Jorge Brito M. | Locality: Nuevo Israel, side of the Río Macuma, Cordillera del Cutucú, Ecuador (2010)
Buckley's Slender-legged Tree Frog - Osteocephalus buckleyi
The commonly known as Buckley's Slender-legged Tree Frog, Osteocephalus buckleyi (Hylidae), is a species complex of arboreal and nocturnal frogs, containing more than one species, some of them undescribed. This group has taxonomic problems which attest the difficulties of correctly identifying species boundaries on the basis of morphological evidence alone.
Osteocephalus buckleyi-like individuals are grouped in four clades, each one having unique morphological features indicating that each represents a species. Osteocephalus buckleyi sensu stricto has dorsal coloration consisting of a dark green background with brown spots; it has tubercles distributed over the dorsal surface which give the skin a granular appearance, and also has conspicuous tarsal tubercles; the venter is cream with brown speckling and the iris is golden.
This species occurs in the Amazon Basin from Amapá, Brazil, through the Guianas, Venezuela (Amazonas State), to Ecuador, Colombia, Peru, and Bolivia.
References: [1] - [2] - [3]
Photo credit: ©Frank Deschandol | Locality: Peru (2013)
Osteocephalus cf. mutabor (could be an undiscribed species) | ©Bigal River Conservation Project (Bigal River Biological Reserve, Ecuadorian Andes)
Osteocephalus mutabor is a species of frog in the Hylidae family (Subfamily Hylinae - Tribe Lophiohylini). It is found in Ecuador and Peru. Its natural habitats are subtropical or tropical moist lowland forests, rivers, and intermittent freshwater marshes. It is threatened by habitat loss. It is a nocturnal species.
Many of the Osteocephalus species are sexually dimorphic, males having granular skin and females smooth skin.
Osteocephalus by Andrew Snyder Photography on Flickr.
Amazon tree frog (Osteocephalus taurinus), Peru by Arthur Anker
Peruvian Amazon.
