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Birds and Us: A 12,000 Year History from Cave Art to Conservation–A Book Review

10,000 Birds

They may be about bird eggs ( The Most Perfect Thing: The Inside (and Outside) of a Bird’s Egg , 2016), or a 17th-century ornithologist ( Virtuoso by Nature: The Scientific Worlds of Francis Willughby, 2016), or How Bullfinches learn songs from humans ( The Wisdom of Birds: An Illustrated History of Ornithology.

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Feather Trails: A Journey of Discovery Among Endangered Birds–A Book Review

10,000 Birds

The tiercels (young Peregrines) must deal with Golden Eagles, Ravens, adult Peregrines, and foxes; they must also learn to navigate the skies and make their own kills, luckily these skills appear to be innately learned. Coyotes took carrion from young Condors and then killed the weakest ones. It’s not easy.

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The Brown and Peruvian Pelicans

10,000 Birds

The Brown Pelican occurs in both the Pacific and Atlantic coasts of North America and northern South America. They nearly disappeared from North America between the late 1950s and early 1970s because of pesticides entering the food chain. Brown Pelicans in non-breeding plumage.

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Tricolored Blackbird in Trouble in California

10,000 Birds

” Blackbirds, among other species, are also killed every year for consuming sunflower seeds mostly in Minnesota and the Dakotas. Therefore the actual numbers of birds killed are grossly underestimated. References: 1 Birds of North America Online. See Birdchick’s post here.

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Is The Hooded Grebe About To Go Extinct?

10,000 Birds

And, in South America, there is at least one species that is being heavily preyed on by North American Minks which are not supposed to be in South America. Their natural range is in a smallish region of southern South America. Which brings us to the Hooded Grebe Podiceps gallardoi.

2010 204
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Cliff Swallows and Pest Management

10,000 Birds

Cliff Swallows migrate to North America from their wintering grounds in South America to nest in large colonies, sometimes numbering in the thousands. It is illegal for any person to take, possess, transport, sell, or purchase them or their parts, such as feathers, nests, or eggs, without a permit.

San Diego 165
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Are there so many birds that cats don’t matter?

10,000 Birds

For instance, assume (and I will NOT stand by this number, it is just one I’ve heard here and there) that kitty cats in America kill 50,000,000 birds a year. Hardly any Sandhill Cranes are killed by domestic (including ferrel domestic) cats. In fact, there are certainly a few cats killed by hawks every year.

Cats 185