10,000 Birds

AUGUST 1, 2023

2012), and (4) Waterfowl of Eastern North America, 2nd ed. A description is given of major vocalization/sound of communication, sometimes by transcription, sometimes by catch phrase, sometimes by description (the Ruffed Grouse species account text is totally devoted to a description of its drumming sound and how it is produced).

North America 220

North America Birds Owls America 220

10,000 Birds

MAY 11, 2012

John Bachmann headed west to gather material for Viviparous Quadrupeds of North America. American scientists, realizing belatedly how embarrassing it was to know so little about a species right in the heart of their own continent, rushed to study this remnant population. But the ferrets kept dying. But this is real life.

Ferrets 189

Ferrets South Dakota Wyoming Captive Animal 189

10,000 Birds

SEPTEMBER 10, 2014

Here’s a diagram, available on the Audubon site , that compares its 2000 range with its anticipated 2080 range: Only 1 percent of the bird’s breeding range remains stable between 2000 and 2080 if global warming continues on its current course. White-headed Woodpecker. Chestnut-collared Longspur is one of those.

Species 177

Species Science Los Angeles Birds 177