Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
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
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
The oldest recorded elephant lived for 82 years.
213
On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71