Migration of Birds. Report from Middle Creek Wildlife Area March 8, 2005 Snow Geese 115,000 - 120,000 Tundra Swans 4,100 - 4,300 Canada Geese 1,200. Great Gray Owl invasion of Wisconsin and Minnesota in winter of 2004-05. They’re Back !. Swallows Returning to Capistrano?
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March 8, 2005
Snow Geese 115,000 - 120,000
Tundra Swans 4,100 - 4,300
Canada Geese 1,200
They’re Back ! of 2004-05
Swallows Returning to Capistrano? of 2004-05
How About the Buzzards of Hinckley, Ohio?
March 20, 2005
Migration of 2004-05:
The regular, recurrent, seasonal movement of populations from one location to another and back again.
Barnacle Geese fly over the Himalayan Mountains at over 29,000 feet!
3000 miles in 3 days!
How Do We Know? of 2004-05
The Pro’s of 2004-05
Going to unknown area (hiding places, food sources, etc.)
Already inhabited with competitorsWhy Migrate?
Monarch Sightings Through March 1, 2005 of 2004-05
“One of the 10 great birding spectacles in North America . . .” Roger Tory Peterson
Get to the breeding grounds at the same time as maximum food supply for young appears.
Black & White Warbler at nest.