To find out if a watermelon is ripe, knock it, and if it sounds hollow then it is ripe.
84
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10
There are some species of snails that are extremely venomous.
72
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
Bluebirds cannot see the color blue.
40
When dragonflies mate, their tails form a love heart.
22
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8