The goal is to track individual birds over several years.

A 2005 Danish study used surveillance radar to track migrating birds traveling around and through an offshore wind farm.

Engineers are working on programmable radio tags to track birds and other animals for longer periods of time and to follow bird migrations.

He is an accomplished hunter who often tracks birds and moose in the wilderness with his dog.

Nature enthusiasts can track exotic birds and native fish from the boardwalk at Lake Kennedy and watch the West Indian Manatees at Sirenia Vista Park.

Armed with the ability to follow individual birds, researchers could potentially track birds in areas with lower reproduction rates to see where they go and if their travels may be part of their problems.

There is also a birdwatching facility equipped with a radar to track migratory birds.

A zoologist who tracks nocturnal birds in the forest was in court here today, trying to explain the breeding habits of an owl to a Federal judge.

In the early 1950's he tracked the European black-headed gull, related species and other birds, like some remarkably social finches.

In recent times satellite transmitters provide the ability to track migrating birds in near real-time.