Migrations: Frequent Flyers (2020)
Some run, some fly, and some swim.
2020-01-01
Germany
50 Min.
PG-13
Overview
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.
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