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Sloths aren’t just tree climbers. They’re also excellent swimmers. When a sloth dives underwater, its body changes. Its heart rate slows dramatically. Sloths can stay underwater for up to 40 minutes. Using their long arms, they can swim three times faster than they move on land. That’s longer than…

Sloths aren’t just tree climbers. They’re also excellent swimmers. When a sloth dives underwater, its body changes. Its heart rate slows dramatically. Sloths can stay underwater for up to 40 minutes. Using their long arms, they can swim three times faster than they move on land. That’s longer than many dolphins. For one of the slowest animals on Earth… That’s an incredible survival trick.