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TAKOMA PARK, Md. (AP) — A plump robin wearing a tiny metal backpack with an antenna hops around a suburban yard in Takoma Park, then plucks a cicada from the

Scientists are attaching tracker backpacks to American robins in an effort to understand why some migrate long distances but others do not.

Researchers like avian ecologist and Georgetown University Ph.D. student Emily Williams are using scientific innovations to unravel why some American robins migrate long distances, but others do not.

A new antenna on the International Space Station and receptors on the Argos satellite are allowing scientists to remotely monitor small animal and songbird...

Scientists hail golden age to trace bird migration with tech CHRISTINA LARSON, AP Science Writer June 10, 2021 FacebookTwitterEmail 21 1of21The antenna of an Argos satellite tag extends past the tail feathers of a female American robin as she feeds a worm to her hungry nestlings on a front porch in Cheverly, Md., Sunday, May 9, 2021. A new antenna on the International Space Station and receptors on the Argos satellite, combined with the shrinking size of tracking chips and batteries, are allowing scientists to remotely monitor small animal and songbird movements in much greater d...