10,000 Birds

AUGUST 2, 2022

One of Whittaker’s first experiments was to place other birds’ preen oil on the nests and eggs of Dark-eyed Juncos. Well, I guess that makes sense when you think about it, smells are made up of organic compounds.) 241) that contribute to a bird’s odor. Did you know how much chemistry is involved in olfactory research?

Science 263

Science Research Birds Turkey 263

10,000 Birds

JUNE 1, 2021

The first guide bearing the National Audubon Society imprint was Audubon Bird Guide; Eastern Land Birds , written by Richard Hooper Pough, and illustrated by Don Eckelberry. Species Accounts are organized taxonomically. Audubon guides to birds have been around since 1946. SPECIES ACCOUNTS. photography credits, and acknowledgements.

North America 279

North America America Birds California Condor 279

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.

Eggs 165

Eggs Russia Research Breeding 165

10,000 Birds

MARCH 1, 2019

In De arte venandi cum avibus , he corrected and supplemented this comprehensive survey of the existing literature with his own empirical observations and logical inductions – and methodically organized these natural histories in a work that is startlingly ahead of its time. Could this be the first “accipiter sp.”

2015 113

2015 Italy Falcons Europe 113