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.

Director: Phil Coles

Cast: Andy Wisher

Audience-only score — full critic data not yet in the ReelXO vault.