A 42-foot sperm whale has about 7 tons of oil in it.
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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
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An alligator can go through 2,000 to 3,000 teeth in a lifetime.
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The largest breed of rabbit is the Flemish Giant.
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The male seahorse carries babies and 'gives birth' to them instead of the female.
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In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
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