Episode 3 Preview | Crowded Skies

30s

The sky is a crowded world where mammals, birds and insects hunt, escape, mate, defend territory, sleep, and even die on the wing. Survival up here depends not just on beating gravity or mastering flight, but also out-flying the competition.

Extras + Features

Wood Ducklings Take a Leap of Faith on the Day They Hatch

S1 - 2m 50s

Wood ducks make a nest high in the trees to protect their eggs from predatory woodpeckers, raccoons, snakes and alligators. Although the eggs are laid over a two-week period they all hatch on the same day and the mother has just minutes to get the twelve noisy chicks to safety.
Preview

S1 - 30s

How do animals take to the air in the first place? Each of the incredible creatures we’ll meet has its own special techniques. But they must all overcome one of the planet’s most powerful and universal forces – gravity.

Schedule

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