Rococo Toad, Zie-Zoo, Netherlands
A very large toad that can be heard from up to 2km away, here's one calling in Costa Rica:
And some information on their defensive behavior, which includes inflating themselves into an even larger toad, as well as expelling venom from their skin:
''Rhinella schneideri'', sometimes referred to as Schneider's toad, cururu toad, or rococo toad, is a large toad found in Argentina, Paraguay, Uruguay, Amazonian and eastern Bolivia, and Brazil.
''Rhinella schneideri'' is a widespread and very common species that occurs in a variety of habitats but most commonly in open and urban ones. It breeds in permanent and temporary ponds, preferring ones without much vegetation. It is kept as a pet, but pet trade is not occurring at levels that.. more