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Humpback whales migrate up to 5,000 miles

Some humpback whales swim 5,000 miles between tropical breeding grounds and colder feeding grounds.

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It is one of the longest migrations of any mammal. The colder waters are more productive, so the whales go there to feed.

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Male seahorses get pregnant and give birth

Seahorses and their close relatives, sea dragons, are the only species in which the male gets pregnant and gives birth.

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Aldabra tortoises can live 150 years

Aldabra tortoises can weigh up to 550 pounds and live as long as 150 years.

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A lion's roar carries up to five miles

Lions mark their territory by roaring, and the sound can be heard up to five miles away.

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