Beyşehir bleak Beyşehir bleak The Beyşehir bleak ("Alburnus akili"), known in Turkish as gökçe balığı, was a species of freshwater fish in the family Cyprinidae, now presumed extinct. The Beyşehir bleak was endemic to Lake Beyşehir in Central Anatolia, Turkey. It declined after the introduction of "Sander lucioperca" (zander or pikeperch) into the lake in 1955, and the introduction of "A. escherichii". Overfishing also seems to have contributed to the extinction. The fish was last seen in 1998 and is now listed as extinct by the IUCN. This was a short-lived species, growing to 13–16 cm long. The Turkish name "gökçe balığı"
What Bird is That? What Bird is That? What Bird is That? A Guide to the Birds of Australia is a book first published in 1931 by Angus & Robertson in Sydney. Authored and illustrated by Neville William Cayley, it was Australia’s first fully illustrated national field guide to birds, a function it served alone for nearly 40 years. In 1960 it was rated the all-time best seller in Australian natural history. "What Bird Is That?" was originally published in octavo format (239 x 158 mm), containing 340 pages bound in green buckram, with a dust jacket illustrated with a painting of a laughing