Breeding Collecting Eggs Research 
10,000 Birds
JULY 17, 2012
Green-rumped Parrotlets: from egg to adult Text and photographs copyright Nick Sly (except Rae Okawa where indicated) and are used with his permission. You don’t really know a bird until you’ve studied it on its breeding grounds. I present here an annotated collection of photos documenting the entry of new parrotlets into this world.
10,000 Birds
APRIL 2, 2013
A breeding bird atlas is a special kind of book. For birders, it’s the extremely large book, shelved in a place where it can’t crush the field guides, used to research the history of a bird in their area. So, what exactly does a breeding bird atlas contain? The resulting book, 616 pages in length, 6.4
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10,000 Birds
OCTOBER 21, 2015
Heermann’s Gulls form large breeding colonies on arid islands in the Gulf of California, Mexico, from March through July. The largest colony exists on Isla Raza, where an estimated 90–95% of the total world population breeds 1. This photo by Basar from Wikipedia Commons shows the adult in breeding plumage.
10,000 Birds
NOVEMBER 13, 2023
In the non-breeding season, male Baya Weavers sometimes enter the basket-making trade, often with considerable success. Meanwhile, the females seem to have a much more relaxing life, at least in this early stage of the breeding season. You can see why here.
10,000 Birds
APRIL 2, 2024
Well-researched and footnoted, these sections never feel disconnected from the more personal sections. I ended up looking for photographs of Peregrine hack sites, captive breeding aviaries, Hawaii tropical forest, and the California Condors of the Grand Canyon on the Internet. Endangered. Extinction. Conservation.
10,000 Birds
SEPTEMBER 7, 2012
With populations plunging dramatically over the last decade, researchers from the Wildfowl and Wetlands Trust, Birds Russia, and a number of other conservation organizations made the always-controversial call to pluck eggs from the imperiled wild population and establish a captive breeding program as a final hedge against extinction.
10,000 Birds
JUNE 2, 2015
Third, observing and photographing breeding birds and their young have become acts of ethical confusion as birders, photographers, and organizational representatives debate the impact of our human presence on the nesting process. And of eggs and nests and birds on nests. Cedar Waxwings exchange berries, carry nesting material, eggs.
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