Emperor dads stand watch as penguin hatchlings peck their way free.
Rockhopper penguins brave crashing waves to reach their breeding grounds.
A male African bullfrog digs a channel for his young to escape dehydration and death.
The Panamanian Golden Frog has an unusual method of warning rivals and attracting mates.
To keep warm, emperor penguins converge on the same central point and begin to huddle.
Thousands of Gulf Grunion fish act on a seemingly suicidal desire to breed out of water.
Seasonal sardine migration is a stunning example of defensive collective thinking.
Meet Hairdresser Sherri Tippie, the top live trapper of the species in North America
Beavers are devoted to their work as dam builders and they are born equipped for the job.
Learn about the post-production process of Snow Monkeys
It was a team effort to design a replacement rubber tail for Mr. Stubbs.
Don the crow suffered an injury to his beak and struggled to eat.
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