Remove Breeding Remove Experiments Remove Los Angeles Remove North America
article thumbnail

Listening to Falcons: The Peregrines of Tom Cade

10,000 Birds

That summer of 1938, when he was ten years old, Cade read of two brothers, Frank and John Craighead, who wrote of their experiences with falcons in National Geographic. ” By 1970 the man who championed Peregrines had convinced Cornell University to build a Hawk Barn for captive breeding of these birds.

Falcons 190
article thumbnail

Field Guide to North American Flycatchers: Empidonax and Pewees–A Field Guide Review

10,000 Birds

.” They conclude that many non-vocalizing Empidonax flycatchers can be identified in the field, but only “when several field characters are used in combination–and after one has gained experience in looking at these characters on singing/calling and captive birds (i.e., known-identity).”**

article thumbnail

314 U.S. Bird Species Threatened — Many with Extinction — by Global Warming

10,000 Birds

The experience was marvelous — but it also weighed heavily on me. 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.

Species 178