Sparrow migration tracked for first time from California to Alaska
Wednesday, April 11, 2012 - 13:30
in Biology & Nature
Using tiny tags to track a bird's location, biologists have unlocked the mystery of where golden-crowned sparrows, which overwinter in California, go to breed in the spring. By using tags that record day length to estimate location, the biologists determined that four golden-crowned sparrows tagged in central coastal California spent the breeding season along the coast of the Gulf of Alaska.