Migrations: Frequent Flyers

*10.0

Status

Released

Production

Doclights

Aired

2020-01-01

Migrations: Frequent Flyers

Half of all bird species undertake annual migrations, everything from heavy-bodied swans to delicate hummingbirds. Migration is one of the most remarkable phenomena on the planet, hosts of animals of all shapes and sizes demonstrating incredible feats of endurance.