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.
11
Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11
A killer whale's heart beats 30 times a minute under water, 60 times a minute on the surface.
30
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
A new born kangaroo is small enough to fit in a spoon!
7
Some ribbon worms will eat themselves if they can't find any food.
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