Common pochard and small populations are sometimes observed on the River Thames. Large numbers stay overwinter in Great Britain, after the birds retreat from Russia and Scandinavia. These are gregarious birds, forming large flocks in winter, often mixed with other diving ducks such as the tufted duck, with which they are known to hybridise. These birds feed mainly by diving or dabbling. They eat aquatic plants with some molluscs, aquatic insects and small fish. They often feed at night, and will up-end for food as well as the more characteristic diving. In number of countries the population of Common Pochard is decreasing
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