10,000 Birds

JUNE 1, 2021

If you remember that the first edition of Sibley was published with “National Audubon Society” on the cover, raise your hand. The photographs are from VIREO, the ornithological image collection associated with the Academy of Natural Sciences of Drexel University, which licenses bird photographs to many guides and reference books.

North America 279

North America America Birds California Condor 279

10,000 Birds

MARCH 3, 2020

The source of this ranking, BirdLife International, lists Bolivia as currently having 1,439 bird species, including 18 breeding endemics. The guide covers 1,433 species, the number of birds documented at the end of 2014, the cutoff point for the book. Clearly, this is an under-birded country. . .”

Bolivia 172

Bolivia Birds Brazil Switzerland 172

10,000 Birds

SEPTEMBER 9, 2014

Three books will have been published about the Passenger Pigeon by the end of 2014: A Feathered River Across the Sky: The Passenger Pigeon’s Flight to Extinction by Joel Greenberg, The Passenger Pigeon by Errol Fuller, and A Message From Martha: The Extinction of the Passenger Pigeon and Its Relevance Today by Mark Avery.

2014 160

2014 Killing Michigan Kentucky 160

10,000 Birds

APRIL 7, 2015

Penguins are also bellweathers of climate change; dwellers of remote areas you’ve (probably) never heard of; creatures who have developed unique, innovative ways of adapting to the harsh environments where they breed and rear chicks and the water environments in which they feed and swim.

Penguins 197

Penguins New Zealand South Africa Albatross 197