The killer whale has teamwork and strategic attack down to a fine art. Like a wolf pack, the family pod attacks a whale.
(01:39)Two bulls face off in a fierce battle.
(02:14)After being swept away from his herd while crossing the Lamar River, a bison calf defies all odds in order to survive.
(04:10)Derek Chalk of Newfoundland, Canada, found a shark in shallow waters choking on a moose antler.
(02:28)Are the waters around Alcatraz really too murky to keep sharks from swimming near the prison?
(02:10)From ocelots to weaver ants, these are some of the animals who'll star in Earth Live on Sunday, June 9.
(00:25)A buffy fish owl is perfectly adapted to snagging a fish in the dark of night.
(02:00)A raccoon risks life and limb in order to gorge himself on a fatty meal of—dog food!
(02:11)Culled from over 40 hours of rare archival footage, this three-part special allows the pioneer researcher to narrate her own...
(01:23)Penguins meet. They fall in love. He goes out to sea, and she fears he'll never return.
(02:56)Turkey vultures patrol Death Valley, looking for anything...unliving.
(01:13)A gorilla family living in one of Uganda's National Parks takes care of their young.
(01:55)It's time for Girl, the 31-year-old alligator's annual exam, but she may be too strong for the doctors and keepers!
(02:13)The zoo staff rounds up the feisty kangaroo mob for their very important rabies vaccines, but the kangaroos aren't exactly...
(02:20)Meet the ugliest creatures ever to have lived!
(00:55)Producer Stephanie explains monarchs and milkweed as she looks for milkweed in a field.
(01:47)Cameramen chase down the monarchs flying around a field.
(01:00)Watch the Packs & Swarms video, part of World's Deadliest on Nat Geo WILD.
(00:35)Whatever form the hunt may take, be it chase or ambush, lion or lioness, they are built for it.
(02:08)