
In Meet the Flat Lizards, narrator Sir David Attenborough describes how flat lizards flaunt their multi-colored bellies during territorial disputes. Watch as the lizards leap to eat a blackfly rising from the surface of water. This video is excerpted from BBC's Planet Earth, a breathtaking documentary series that highlights the natural wonders of our planet.

In How Grizzly Bears Survive in the Mountains, narrator Sir David Attenborough explores an avalanche tumbling down a mountainside in North America. Grizzly bears coming out of hibernation must move quickly to the safer valley, where they will gorge themselves during spring and summer. Learn about how they also rub against trees to shed winter fur and spread their scent. This video is excerpted from BBC’s Planet Earth II, a breathtaking documentary series that highlights the natural wonders of our planet.

In Meet the Flat Lizards, narrator Sir David Attenborough describes how flat lizards flaunt their multi-colored bellies during territorial disputes. Watch as the lizards leap to eat a blackfly rising from the surface of water. This video is excerpted from BBC's Planet Earth, a breathtaking documentary series that highlights the natural wonders of our planet.

In How Grizzly Bears Survive in the Mountains, narrator Sir David Attenborough explores an avalanche tumbling down a mountainside in North America. Grizzly bears coming out of hibernation must move quickly to the safer valley, where they will gorge themselves during spring and summer. Learn about how they also rub against trees to shed winter fur and spread their scent. This video is excerpted from BBC’s Planet Earth II, a breathtaking documentary series that highlights the natural wonders of our planet.