Red backed shrikes migrate using a fixed schedule, flying in stages with little variation, showing that genetics guide bird ...

TAKOMA PARK, Md. -- 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 ground for a snack. Ecologist Emily Williams ...

Scientists and conservationists have deployed lightweight satellite backpacks, containing transmitters, to study and understand the migration patterns of thick-billed parrots. Teams from San Diego Zoo ...