Whooping cranes migrate every year from Texas to Canada along a path called the Central Flyway. During this spring's migration, researchers are getting pinpoint data from two cranes carrying GPS tags in hopes of better understanding the rare birds' habits.
SOURCE: Platte River Whooping Crane Maintenance Trust; U.S. Fish and Wildlife Service | Gene Thorp and Bonnie Berkowitz/The Washington Post - March 30, 2010
GPS will keep an eye on a tall and very rare bird Article | WOOD RIVER, NEB. -- Each dawn and dusk, numberless birds stopping here to feed on their migration north take to the air. Against the steel-colored sky they look like iron filings wheeling and milling to an invisible magnet.