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PBS
When Birds Stopped Flying
Ratites have spread to Africa, Australia, New Zealand, and South America. And there are fossils of Ratites in Europe, Asia, and North America too. That's a lot of ground to cover for birds that can't fly. So how did Ratites end up all...
Curated Video
Just Because This Bird Can’t Fly Doesn’t Mean It’s Not Tough Against Its Predators
Birds are incredibly successful animals that have adapted to suit unique environments on all of Earth's continents. But not all birds can fly.
Curated Video
Being a Flightless Bird Doesn’t Mean You’re Scared of Predators
Birds are incredibly successful animals that have adapted to suit unique environments on all of Earth's continents. But not all birds can fly.
Curated Video
An Up-Close Look at the Three Largest Living Birds on the Planet
Learn all about the ostrich, the cassowary, and the emu - all flightless birds that are part of a group known as ratites.
Curated Video
Learn How Flightless Birds Scare Off Predators
Birds are incredibly successful animals that have adapted to suit unique environments on all of Earth's continents. But not all birds can fly.
Curated Video
This Bird Can’t Fly But It’s Still Very Tough Against Its Predators
Birds are incredibly successful animals that have adapted to suit unique environments on all of Earth's continents. But not all birds can fly.