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Article: Migratory birds wing it every year; How our feathered friends find their way is a mystery to researchers.(LIFE - SCIENCE & TECHNOLOGY)
- Article from:
- The Washington Times (Washington, DC)
- Article date:
- November 14, 2002
CopyrightCOPYRIGHT 2002 News World Communications, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Byline: Gabriella Boston, THE WASHINGTON TIMES
A 3-year-old white-throated sparrow, after nesting up north, has come back to the exact same wooded spot in the Patuxent Research Refuge three winters in a row to escape freezing temperatures and munch on the berries of Hercules'-club, arrowwood and bittersweet.
"This white-throated sparrow has been captured in nets about 50 meters (about 50 yards) apart, or less," says Deanna Dawson, research biologist at the Patuxent Wildlife Research Center.
Ms. Dawson captures birds in nets and puts numbered bands around their legs, which enables her to identify them later and track their movements.
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