Osteocephalus sangay (Sangay casqued treefrog)
It is a medium-sized frog, green with keratinized tubercles to brown with irregular dark brown markings. It is similar to Osteocephalus fuscifacies, Osteocephalus cannatellai, Osteocephalus verruciger and to a lesser extent to Osteocephalus taurinus, Osteocephalus festae and Osteocephalus mutabor…
