The Basenji dog is the only dog that is not able to bark.
4
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.
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Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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The colossal squid has the largest eyes in the world.
4
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
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