00:00Penguins are flightless birds perfectly adapted to life in the water, spending up to 75% of their
00:07lives swimming in the ocean, mostly throughout the southern hemisphere. Across the 18 different
00:13species, these fascinating creatures range in size from the tiny little blue penguin standing
00:19just 13 inches tall to the mighty emperor penguin reaching nearly 4 feet. They are incredible
00:26swimmers that reach speeds of up to 15 mph using flipper-like wings, kept warm in freezing
00:33waters by dense, waterproof feathers. To survive extreme temperatures as low as minus 40 degrees
00:41Fahrenheit, emperor penguins practice a remarkable behavior called huddling, gathering in massive
00:47groups and taking turns in the warm center to share body heat.
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