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“Understanding Animal Behaviour” by Rory Putman

10,000 Birds

This non-technical book is a development from a series of lectures, tried and tested in numerous adult education courses given to non-specialists. Attempting to bluff the bear in believing that they were even bigger bears, Hoshino suggested raising their hands, to appear taller. Cactus finch, Geospiza species.

Animal 114
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A Strategic Arms Race Among Birds

10,000 Birds

The vast majority of the 10,000+ living species of birds are passerines, and the vast majority of those have a similar system of breeding: Mom and dad bird make a nest and share parental responsibilities roughly equally, if not identically. In the latter, three or more adult individuals contribute to the raising of offspring.

Breeders 196
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A Question of Migration

10,000 Birds

Even if you don’t live in the summer range of a particular species, you may have opportunities to observe it while it passes through, especailly if you live in an active flyway, like I happen to. In addition, there may be some built-in (genetic) processing ability. Another question this raises has to do with migration itself.

Research 188