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“Understanding Animal Behaviour” by Rory Putman

10,000 Birds

It is presented in two main parts, the “how” – considering the physical processes involved in the way animals perceive their environment, and “why” of animal behaviour – examining the evolutionary forces that have shaped the more complex behaviours. At some stage, a salmon-hunting bear at a shingle beach came too close, mere 9 steps.

Animal 114
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National Audubon Society Birds of North America: A Guide Review

10,000 Birds

The first guide bearing the National Audubon Society imprint was Audubon Bird Guide; Eastern Land Birds , written by Richard Hooper Pough, and illustrated by Don Eckelberry. If you remember that the first edition of Sibley was published with “National Audubon Society” on the cover, raise your hand. I didn’t.).