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Birding the Datang area, Yunnan

10,000 Birds

A paper on the species asks the important question “Does nest sanitation elicit egg rejection in an open-cup nesting cuckoo host rejecter?” ” To rephrase: if you put some trash into a nest of a bird along with a cuckoo egg, does that improve the chance that the cuckoo egg will be kicked out? How to find out?

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The Common Cuckoo and The Evolution of Mimicry

10,000 Birds

In this way, the cuckolding Cuckoo can convince its cuckoldee, the Reed Warbler, to back off when the Cuckoo comes around, allowing the Cuckoo to toss out one of the Warbler’s eggs and replace it with one of its own, to be raised by the hapless Warbler parents. Science 3 August 2012: 578–580 a.

Hungary 216
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An unusual auk baby

10,000 Birds

A few families have a small number of eggs in the clutches, like gulls or cormorants. Others, like the petrels and some of the auks, will lay a single egg per breeding attempt. Unique among the auks, indeed among seabirds, they will attempt to double brood, to lay another clutch after successfully raising the first chick.

Eggs 210
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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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Life Along The Delaware Bay: A Book Review

10,000 Birds

As a Northeast birder I am familiar with the alarming decrease in the number of Red Knots along Atlantic shores and have signed petitions and written e-mails calling for legislation and rules that will limit the overharvesting of the horseshoe crab, whose eggs Red Knots depend on. million in the late 1990’s. Should the gulls be controlled?

Delaware 237
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Birding Nonggang, Guangxi, China – part 2

10,000 Birds

If you have always wondered what the minimum anesthetic concentration for isoflurane and sevoflurane for the Crested Serpent-eagle is, science has an answer. As you can easily judge from the dullness of this information, it is not something I made up but rather an appalling example of nepotism in the naming of birds.

China 264
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A Strategic Arms Race Among Birds

10,000 Birds

In the former, a female lays her fertilized egg in the nest of another species, in the hopes that her offspring will be raised by the unwitting hosts. In the latter, three or more adult individuals contribute to the raising of offspring. Science (New York, N.Y.), doi:10.1126/science.1240039. Somveille, M.,

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