10,000 Birds

JANUARY 14, 2021

Geographic patterns of species richness for birds (1,558 species) in East Africa at 0.25° resolution (blue indicates low species richness, while brown indicates high species richness). At the time of writing, Uganda has 16 hotspots with 400+ so far eBirded species, of which one has almost 600 species.

Africa 250

Africa Kenya Uganda Tanzania 250

10,000 Birds

JUNE 6, 2017

The guide covers 520 species of birds regularly found in the eastern United States and southeastern Canada, including, interestingly, a number of exotic species. There is also a traditional index to bird species, by common and scientific name. Species Accounts are arranged taxonomically, grouped by family.

North America 189

North America America Sparrows Birds 189

10,000 Birds

OCTOBER 4, 2016

Over 3,200 photographs have been used, most showing species in their habitats. There is also text, distribution maps, a dark red bar “warning” about similar looking rare species, and conservation symbols. So, how do you find the species account for Kestrel if falcons are not placed between woodpeckers and parakeet?

Ireland 175

Ireland Birds Falcons Turtles 175

10,000 Birds

DECEMBER 3, 2013

I knew I would not be seeing the bird in its rosy-breasted breeding plumage, but somehow seeing the bird in all its forms helped crystallize its appearance in my head. or birds that look very different in their breeding and non-breeding plumages (Shorebirds! I studied it. Sadly, I still did not see the bird.

Ireland 181

Ireland 2013 Breeders United Kingdom 181

10,000 Birds

APRIL 1, 2014

I’m going to start with a specific example: species accounts for Common Tern and Arctic Tern. How have these species accounts changed from The Sibley Guide to Birds , published in 2000 (heretofore called Sibley One) to The Sibley Guide to Birds, Second Edition , published in March 2014 (and heretofore called Sibley Two).

North America 258

North America Birds Alaska America 258