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Photo Essay: Green-rumped Parrotlets from Egg to Adult

10,000 Birds

Green-rumped Parrotlets: from egg to adult Text and photographs copyright Nick Sly (except Rae Okawa where indicated) and are used with his permission. Getting intimate with a species over the course of the breeding cycle is one of the more rewarding aspects of birding, and field research too.

Eggs 268
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The Most Perfect Thing: Inside (and Outside) a Bird’s Egg

10,000 Birds

Tim Birkhead, a respected ornithologist with years of research under his belt, doesn’t quite achieve perfection with this book on the totality of that strange entity, the bird’s egg, but he makes a valiant effort of it and comes away with a very interesting book indeed.

Eggs 100
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Birding Yibin, Sichuan

10,000 Birds

Of course, the Red-billed Leiothrix is a species native to Sichuan – in Britain, it is now discussed whether to regard it as an invasive species ( source ). In one group, they added a blue egg to their nests. In the other, they added both such an egg and a peanut half-shell. Keep that in mind when somebody (Marie Kondo?)

Italy 185
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Birding Yancheng, Jiangsu

10,000 Birds

In Daurian Redstarts , personality traits (specifically, whether a bird is shy or bold) partly determine how good an individual is in rejecting cuckoo eggs in its nest. Apparently, birds that are fast in exploring new things – bold birds – are better at rejecting parasitic eggs ( source ).

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The Secret Perfume of Birds: Uncovering the Science of Avian Scent–A Book Review

10,000 Birds

Whittaker’s adventures in olfactory research take unexpected turns into genetics, chemistry, and the halls of academia. One of Whittaker’s first experiments was to place other birds’ preen oil on the nests and eggs of Dark-eyed Juncos. ” (p. There’s also roller derby stuff.

Science 217
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Birding Hongbenghe, Yunnan (Part 1)

10,000 Birds

And of course, this entry on the Red-tailed Laughingthrush would not be complete without mentioning a paper that presumably nobody will ever read: “The complete mitochondrial genome of red-tailed laughingthrush ( Garrulax milnei )” As usual, there are many authors (8 in this case), and all seem to be Chinese (also as usual).

Burma 195
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Birding Shanghai in June 2023

10,000 Birds

In the slightly frighteningly named journal “Science of The Total Environment”, there is a paper on organochlorine compounds in Purple Heron eggs nesting in sites located around a chloralkali plant (Ebro River). Summary result: relevant chemicals emitted by the plant can be found in the eggs. Bye, bye, Lesser Coucal.

Birds 130