PETALUMA, Calif., April 11 (UPI) -- New tracking technology has been used for the first time to follow sparrows on their migration from California to Alaska, researchers say. Using tiny tracking tags ...

FAIRBANKS — Each fall, white-crowned sparrows hop off branches in Alaska and begin journeys toward California, Arizona, New Mexico and West Texas. On their trip of several weeks, flying mostly at ...

They flit among stunted trees and brush as they sing a distinctive three-note jingle. Alert bird watchers can sometimes catch fleeting glimpses of their yellowish head patch rimmed in black as they ...

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 ...

The Dickcissel was even more unusual. Goff said the midwestern bird that winters in South America was last spotted in Juneau ...

Professor of Ecology and Evolutionary Biology Bruce Lyon initially began the sparrow observations as a lab course. Over the last twenty years, the program has involved nearly 100 UC Santa Cruz ...

Using small electronic tags, Marin scientists have been able to track the surprisingly long migration of golden-crowned sparrows to Alaska and back to Point Reyes. Biologists from PRBO Conservation ...

MACLAREN RIVER — The Denali Highway summer is a couple of weeks ahead of schedule. Not only is the road open, it has been graded and is as pothole-free as it gets. Boosting the appeal, grayling are ...