The Southeastern Arizona Bird Observatory is the place to see Sandhill cranes. Some of these great birds have migrated from as far away as Alaska and Siberia.

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Added: Fri Sep 25 00:38:10 UTC 2009
Air date: Thu May 28 00:00:00 UTC 2009
Duration: 02:16

Wildebeest in the millions make their annual migration through East Africa.

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Added: Fri Sep 25 00:38:10 UTC 2009
Air date: Mon Aug 07 00:00:00 UTC 2006
Duration: 02:41

A mother gray whale and her calf are on their migration path through Monterey Bay. But first they must get past a pack of killer whales.

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Added: Fri Sep 25 00:38:10 UTC 2009
Air date: Wed May 14 00:00:00 UTC 2003
Duration: 03:40

Tundra swans make a 4,000 mile migration every year. Only the strong will make the long journey.

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Added: Fri Sep 25 00:38:10 UTC 2009
Air date: Tue Aug 28 00:00:00 UTC 2001
Duration: 03:03

Canada geese take to the skies along their annual migration paths.

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Added: Thu Sep 24 00:01:10 UTC 2009
Air date: Sat Feb 04 00:00:00 UTC 2006
Duration: 02:32

In the Galapagos, when there's no food to be found, finches will adapt with a blood thirsty appetite.

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Added: Thu Sep 24 00:58:09 UTC 2009
Air date: Wed Jul 04 00:00:00 UTC 2007
Duration: 01:45

Journey to the center of the…termite nest? Hard to believe this termite queen will produce almost 165 million eggs in her lifetime!

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Added: Thu Sep 24 00:58:09 UTC 2009
Air date: Wed Jun 08 00:00:00 UTC 2005
Duration: 02:08

One of the rainforest canopy's more surprising inhabitants is the furry, fearless, cute and cuddly kinkajou.

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Added: Thu Sep 24 00:58:09 UTC 2009
Air date: Mon Jul 06 00:00:00 UTC 2009
Duration: 02:07

Twins? Triplets? A spiny lobster mom sends out some 700,000 larvae! Alas, only three percent will survive.

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Added: Thu Sep 24 00:58:09 UTC 2009
Air date: Wed Jul 04 00:00:00 UTC 2007
Duration: 01:08

Brady wants to test the danger of wild hog tusks, but first he has to get the nerve to get close to one.

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Added: Tue Jul 07 01:11:14 UTC 2009
Air date: Fri May 29 00:00:00 UTC 2009
Duration: 03:03
Rating: 4.1 / 5.0

Join biologist Zeb Hogan of the National Geographic Society's Megafishes Project as he explores the threats facing the giant Chinese sturgeon and the efforts underway to save it.

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Added: Thu Apr 03 21:55:24 UTC 2008
Duration: 03:37
Rating: 4.2 / 5.0

Ever wish you could change shape and color the way the Cyanea Octopus can?

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Added: Thu Apr 03 19:36:20 UTC 2008
Duration: 02:27
Rating: 4.4 / 5.0

African honeybees, also termed 'killer bees', have reproduced in great numbers in the Amazon rainforest, forming aggressive swarms that are blamed for nearly 1,000 deaths. Now, these dangerous swarms have moved to the U.S.

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Added: Sat Mar 22 01:05:41 UTC 2008
Duration: 03:38
Rating: 4.2 / 5.0

Don't doze off just yet. Maybe they should be called bed blood bugs, an army of these can attack a person 500 times in one night!

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Added: Sat Mar 22 01:05:40 UTC 2008
Duration: 02:09

Teamwork helps fire ants reproduce, take down prey, and strip bones clean.

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Added: Sat Mar 22 01:05:32 UTC 2008
Duration: 01:54

Care to wager on who wins in a spider vs. bat matchup? Before you place your bet, see what happens when a bat meets an orb spider in Belize.

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Added: Sat Mar 22 01:05:29 UTC 2008
Duration: 01:13
Rating: 4.1 / 5.0

Black wasps have their own tactics and methods when it comes to pest control.

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Added: Sat Mar 22 01:05:23 UTC 2008
Duration: 01:59
Rating: 4.3 / 5.0