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Definitively the Egyptians!

10,000 Birds

In short, the accepted view used to be that a small breeding population of Egyptian Vultures inhabited Southern Africa, but has vanished facing the spread of towns, roads and farms. In the 1970s we had two to four breeding pairs, in the 1980s one to two, in the 1990s it was zero to two (irregular breeding).

Sudan 233
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Gulls Simplified: A Gull Book Review

10,000 Birds

Both authors are experienced workshop educators at CMBO and birding festivals around the country. Jessie Barry writes that “with practice, experts can identify nearly all gulls by size and shape alone” in her 2010 article for the Cornell Lab of Ornithology. These vary according to species.

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The Sibley Guide to Birds, Second Edition: A Review of an Iconic Guide in a New Edition

10,000 Birds

In Sibley Two, the in-flight images literally fly across the page in slight diagonals, with the full-bodied images are presented below in a parallel order (meaning we see the same bird–fresh juvenile, worn juvenile, 1st year, Adult breeding, Adult nonbreeding–in the same part of the page for each species).