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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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The Oriental Scops Owl

10,000 Birds

Another strange aspect – already mentioned further up – is that these owls almost seem to be able to change their shape – from a round egg shape to a very prolonged branch-like shape. Though of course, young owls growing up in such an artificial environment may later turn out to be snobbish and elitist.

Owls 162
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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 ).

Eggs 199
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Birding Nonggang, Guangxi, China – part 2

10,000 Birds

Feel free to insert your own French joke here (though of course in the US, restaurants now serve Freedom Frogs rather than French Frogs). The breeding ecology of the Yellow-bellied Warbler was actually studied exactly here at Nonggang in 2019 by 3 Chinese researchers. This included recording a total of 77,760 minutes of video.

China 224
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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 196