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Vagrancy in Birds: A Book Review

10,000 Birds

The book is richly illustrated with contributions from a group of birders/photographers who were fortunate to see and document many of the vagrants covered. The Family Accounts are also a deeply informational, documented source of information for researchers. 220; Copyright © 2022 Tom Johnson photos p.

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Everglades Long-Legged Birds Feed Their Young To Alligators, Everything is Good.

10,000 Birds

For example, years ago, Eiton Tchenrov postulated that the wild progenitor of the domestic dog, some subspecies or another of wolf, could benefit from overlapping its breeding territory with human hunters. The humans tended to keep away a range of predators that might take the pups as a form of interference competition.

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Do birds avoid predators because of culture?

10,000 Birds

Most likely, all individuals of a given species have very similar genes guiding very similar developmental processes, but produce different results because the plasticity itself is selected for. Part of that research was to document human avoidance by ground mammals, and that was stark and apparent. Clearly, more research is needed!

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Second Atlas of Breeding Birds in Pennsylvania: A Review by an Atlas Novice

10,000 Birds

For ornithologists, it is the documentation of a multi-year project designed to record the distribution and abundance of birds in a specific area (in North America, usually a state or a province), utilizing a mapping method involving blocks and grids. Let’s hear it for the return of the forest! Aims and Purposes, by Robert S.

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Revenge Birding (Shanghai, early June 2022)

10,000 Birds

After writing this last sentence, I looked up the species in the HBW and found the sentence “Song poorly documented” in the appropriate section, while with regard to calls, the description is that “call is a two-note raspy nasal ‘ryeeh-reh’”. Accessorizing for birds.

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