Baer's pochard Baer's pochard Baer's pochard ("Aythya baeri") is a diving duck found in eastern Asia. It breeds in southeast Russia and northeast China, migrating in winter to southern China, Vietnam, Japan, and India. The name commemorates the Estonian naturalist Karl Ernst von Baer. At , it is similar in size and stance to its close relative, the ferruginous duck ("A. nyroca"), although the coloration of the drakes (males) is entirely different. Baer's pochard males are similar to those of the greater scaup ("A. marila"), but have a dark back and upper flanks; the white lower flanks and belly are conspicuous. The
What Bird is That? kookaburra seated on and within a large red question mark. It contains 36 coloured plates of paintings of Australian birds by the author, as well as several black-and-white photographic plates of habitat. There were numerous reprints and revised editions in various formats produced well into the 1980s. The first edition was sponsored by the Gould League of Bird Lovers of New South Wales of which Cayley was a Council member. In return for its sponsorship, Cayley offered the Gould League four tenths of his 10% book royalty. However, initial sales were slow and in 1935 he sold his entire share