Osteocephalus festae (Festa's casqued treefrog)
Osteocephalus festae (Peracca, 1904)
Osteocephalus festae is most similar to Osteocephalus verruciger, from which it differs by the absence of abundant keratinized tubercles on the dorsum of males in the breeding season (keratinized in Osteocephalus verruciger) and by the size of the tympanum (1/5 of head length in Osteocephalus…
