What is Osteocephalus deridens?
{{italictitle}} {{Speciesbox | image = | status = LC | status_ref =<ref name=Amph /><ref name=IUCN /> | status_system = IUCN3.1 | taxon = Osteocephalus deridens | authority = (Jungfer, Ron, Seipp, and Almendáriz, 2000) | range_map = |synonyms= | synonyms_ref=<ref name=AMNH /> }} The '''''Osteocephalus deridens''''' is a [[frog]] in the family [[Hylidae]]. It lives in [[Ecuador]], [[Peru]], [[Brazil]], and [[Colombia]]. Scientists have seen it between 250 and 600 meters above sea level.<ref name=AMNH>{{BioRef|ASW6 |title=''Osteocephalus deridens'' Jungfer, Ron, Seipp, and Almendáriz, 2000 |url=https://amphibiansoftheworld.amnh.org/Amphibia/Anura/Hylidae/Hylinae/Osteocephalus/Osteocephalus-deridens |access-date=July 16, 2022}}</ref><ref name=Amph>{{BioRef|amphibiaweb |title=''Osteocephalus deridens'' |author1= Morley Read |author2= Santiago R. Ron |editor=Santiago R. Ron |date=October 13, 2011 |language=es |url=https://amphibiaweb.org/species/5524 |access-date=July 16, 2022}}</ref><ref name=IUCN>{{cite journal |title=Rana de Casco Burlona: ''Osteocephalus deridens'' |url=https://www.iucnredlist.org/species/55791/61403291 |website=The IUCN Red List of Threatened Species |page=e.T55791A61403291 |doi=10.2305/IUCN.UK.2018-1.RLTS.T55791A61403291.en |id=55791 |year=2017 |author1=IUCN SSC Amphibian Specialist Group |accessdate=July 16, 2022 |version=3.1}}</ref> The adult male frog is 28.8–34.9 mm long [[snout-vent length|from nose to rear end]] and the adult female frog is 43.7–50.6 mm long. This is a medium-sized frog the color of [[coffee]] (brown). It has a cream-colored (white) mark under each eye. The belly is cream-white. The bones of the feet are green in color, and a human can see them through the skin.<ref name=Amph /> This frog [[nocturnal animals|moves at night]]. The male frogs sit on bromeliad plants about 5 m above the ground and sing. They live in forests with firm ground. The female frog lays eggs in bromeliad plants. Scientists think she comes back to the same plant and lays more <!--fertil