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Every sperm is sacred

10,000 Birds

If you’re feeling particularly science-y, the full paper is here.). This differs from humans and other mammals, in which the addition of extra sperm essentially destroys the egg. But it points to new areas ripe for investigation. The research doesn’t fully explain why “supernumerary” (as if they were extras in an opera!)

Zebras 145
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Solid Air: Invisible Killer Saving Billions of Birds From Windows–A Book Review

10,000 Birds

The first half describes the problem (why birds hit windows, the scale of the deaths, scientific research, what happens when birds strike windows) and the second half discusses what to do about it (community and worldwide education, window deterrent solutions, legal mandates and building codes, citizen science–what individuals can do).

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Birding Sepilok, Borneo (Part 2)

10,000 Birds

Even to the author of the paper, who cautiously adds that “nest architecture is unlikely to be irrelevant to females, and its role deserves further investigation” (if swear words were allowed on 10,000 Birds, I would say that he is trying to cover his ass).

Birds 227
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Stuck in the middle (of the AOU/COS meeting)

10,000 Birds

It comprised eight short talks on subjects ranging from investigations into the genetics of magnetic receptors for navigation, to the use of eBird and other “citizen science” crowdsourcing efforts in studying migrant phenology. ” Fascinating stuff, with real conservation implications.

San Diego 182
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Great Tit Telomeres, Baby Talk, Brainy Birds

10,000 Birds

In humans, adults (probably mainly mothers) do this thing called “motherese” which is talking in a way one would normally not talk to another adult, to a baby. Jon Sakata, a professor of neurobiology at McGill, says that songbirds learn vocalizations like humans learn speech. Salmón, J. Nilsson, A. Nord, and S.

Mammals 114
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Licking Clay: the Macaws of Tambopata, Peru

10,000 Birds

Geophagy, the intentional consumption of soil by vertebrates, has long been documented in a number of bird and mammal species – including wide-spread use by humans – which consume soil to increase absorption of certain minerals not naturally occurring in the local diet. That’s right – birds eating clay.

Peru 255
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Birding Balangshan (peak area) in June 2023

10,000 Birds

Being lazy, a bunch of researchers used camera traps to investigate the species rather than following the birds directly (which would have had some health benefits). Being a management consultant, I am well-versed in the science and art of b *g. ” Full iteration!

Birds 130