00:05Giants of North America exploring the
00:08continent's massive wildlife. From Arctic
00:10ice to Pacific beaches, North America's
00:12largest animals swim, graze, lumber, and
00:15hunt across huge wild spaces. The blue
00:18whale cruises along North American coasts,
00:20growing up to 100 feet long and weighing
00:22as much as 200 tons. The American bison
00:25thunders across plains and grasslands,
00:27with massive bulls reaching up to 2,000
00:30pounds. The polar bear walks across Arctic
00:33sea ice, where thick fat and pale fur help
00:35it hunt seals in freezing water. The right
00:37whale moves slowly through coastal ocean
00:39water, filtering tiny organisms while
00:41carrying a body that can reach 175,000
00:44pounds. The moose steps through northern
00:46forests and wetlands, lifting wide antlers
00:49above a body that can weigh up to 1,500
00:51pounds. The American alligator slides
00:53through Florida Everglades water and
00:55Louisiana bayous with large adults reaching
00:57close to 1,000 pounds. The humpback whale
01:00launches from ocean water during migration,
01:02stretching up to 60 feet and weighing
01:04around 66,000 pounds. The stellar sea lion
01:07hauls onto Pacific coast rocks, where
01:09thick-necked males can weigh about 2,500
01:12pounds. The muskox forms a defensive circle
01:15on Arctic tundra, protecting calves with
01:17curved horns and shaggy 900-pound bodies.
01:20These giants share one pattern. Cold seas,
01:23wide plains, deep forests, and marshy water
01:25give huge bodies room to survive. When a whale
01:27tail, bison hoof, or moose antler fills the
01:30frame, North America suddenly looks
01:32enormous.
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