Service dogs are trained to know when they are on duty. When their harness is on, they know they are at work. When you take it off they instantly become playful and energetic.
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Dolphins have names for one another.
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An adult giraffe's tongue is 17 inches long.
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The Jewel Wasp injects a drug into a cockroach’s brain, turns it into a zombie, rides it like a horse back to its burrow, and then lets its hatched larvae feed on the cockroaches body from the inside.
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A 42-foot sperm whale has about 7 tons of oil in it.
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Dalmatians are born without spots.
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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