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Killer whales pin down an entire pod of narwhal in shallow water.
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The search for a pygmy three-toed sloth yields an unexpected discovery.
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Mudskippers, a type of fish that can breathe air, scour the beach looking for food.
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A male African bullfrog digs a channel for his young to escape dehydration and death.
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Seasonal sardine migration is a stunning example of defensive collective thinking.
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Beavers are devoted to their work as dam builders and they are born equipped for the job.
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Border Collie Puppy Has Surgery for Prosthetic Legs
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Moments after they hatch from the egg, baby ostriches are ready to get up and go.
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In order to survive he must depend on the generosity of his other family members.
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A spider found in the Caribbean and South America build nests more than 20 feet across.
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A mobile vet care unit is set up to treat injured animals in the aftermath of the fires.