Moveable Beasts: A Q&A with David Wilcove on Declining Animal Migrations [News]
Wednesday, July 30, 2008 - 07:21
in Astronomy & Space
"Pick the right night and you will hear them. A September night, perhaps, when a northwest wind has swept the clouds from the sky and the stars are out in full force. As midnight approaches, find a quiet spot away from the rumbles and groans of urban life and listen carefully. Soon you will hear soft chirps and whistles drifting down from the sky. These are the calls of migrating songbirds. A thousand feet above you, extending for hundreds of miles in all directions, is a vast highway of little birds--millions of thrushes, warblers, flycatchers, tanagers, vireos and sparrows--heading south." [More]