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3:11
A female platypus, dubbed Zoom, preps a nesting site after the mating season.

2:32
When mating, a male opalescent squid grabs a female and his tentacles flush red.

2:27
A dugong in the Philippines has two sets of companions: one is welcome, the other is not.

2:40
There are 10,000 foxes living in London, so rivalries aren't uncommon.

6:08
Clement Kiragu recounts the thrills and challenges of working on his first wildlife film.

9:59
From fall to winter, watch as Niagara Falls transforms with the seasons.

2:59
A water shrew is an insectivore no bigger than a thumb but don't let its size fool you.

2:00
NATURE producers discuss the making of SPY IN THE WILD.

3:04
After a number of failed attempts, a young leopard gains the skills needed to catch birds.

2:37
Hawaii is home to the largest hard-shelled sea turtles in the world.

2:26
When these small fish sense danger, they react by crowding close together in a bait ball.

1:51
These native Hawaiians are desperately shy.