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Streaks, Variegations, and Pirates

10,000 Birds

By constant harassment, egg ejection, and in some cases hatchling removal, the original owners abandon ship and the Piratic Flycatchers move in. Unlike brood parasites, they raise their own young in their pirated nest. Sometimes they may redecorate a bit within the nest with dead leaves or other material.

Trinidad 146
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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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Altruism, Albatrosses, and Vicious Young Men

10,000 Birds

Laysan albatrosses are ocean-dwelling seabirds who have 6-foot wingspans, weigh 7-8 pounds, occasionally sleep while flying, and rarely land except to raise their chicks. The oldest Laysan albatross was last seen raising a chick on Midway Atoll in 2016, at age 66. They are docile and devoted parents who will not leave their nests.

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A Nest for Every Swallow

10,000 Birds

In fact, it seems like Violet-green swallows will nest anywhere they can fit in an egg and someone to incubate it. In fact, they can be surprising in their subtlety: “One report documented a pair of Violet-greens assisting a pair of Western Bluebirds in raising young.

Montana 157
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City Hornbills

10,000 Birds

Okay, they weren’t as fascinating as the birds of prey eating their, or the frankly still weird drawings of nightjars carrying eggs and woodcocks carrying chicks, but still, hornbills were cool because they sealed their mates up in holes in trees and then fed them as they raised the chick.

Singapore 171
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Year of the Eagle

10,000 Birds

While these adults were not banded, it is well documented that Bald Eagles are monogamous and return to the same nest each year. I didn’t get to witness such cooperation in the second year of the project, as only one egg hatched. I’m running a crowdfunding campaign now to raise funds to publish it.

Eagles 185
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The Kirtland’s Warbler: The Story of a Bird’s Fight Against Extinction and the People Who Saved It: A Book Review

10,000 Birds

Recently it has also been documented as breeding in Wisconsin, Ontario, and the Upper Michigan Peninsula, but those birds are few and not always accessible. A nest wasn’t found until 1903, which set off a craze for Kirtland’s Warbler skins, nests, and eggs. So if you want to see a Kirtland’s Warbler, you go to Michigan in May or June.

Michigan 227