Common pochard mainly due to urbanization of the natural habitats and their transformation, as well as due to overhunting. The pochard is one of the species to which the "Agreement on the Conservation of African-Eurasian Migratory Waterbirds" (AEWA) applies. Common pochard The common pochard (; "Aythya ferina") is a medium-sized diving duck. The scientific name is derived from Greek " aithuia" an unidentified seabird mentioned by authors including Hesychius and Aristotle, and Latin "ferina", "wild game", from "ferus", "wild". The adult male has a long dark bill with a grey band, a red head and neck, a black breast, red eyes and
Big Bird to the cassowary; he replied, "I'm more of a condor." On the January 23, 1976 episode of "Hollywood Squares", Big Bird was asked what kind of bird he is and said he was a lark, causing host Peter Marshall to crack up. In the film "Don't Eat the Pictures", Osiris calls Big Bird an ibis. Big Bird appeared in a series 11 episode of "Mister Rogers' Neighborhood", in which he declares he is a "golden condor". Zoologist Mike Dickison suggested in his popular Pechakucha talk that Big Bird represents a unique species that evolved from the whooping crane. Big Bird