A bird's normal body temperature is usually 7-8 degrees higher than a human's.
Dolphins don't have a sense of smell, but they do have a sense of taste and, like humans, can distinguish between sweet, sour, bitter, and salty tastes.
Adding "gif" before the word "Youtube" in the URL allows you to create your own gif with the video.
Pigs can become alcoholics.
Approximately 100 billion people have lived on earth.
Written language was invented independently by the Egyptians, Sumerians, Chinese and Mayans.
The world's largest bat is the giant golden - crowned flying fox, a rare fruit bat. It has a wingspan 5 to 6 feet wide.
Hummingbirds are so agile and have such good control that they can fly backwards.
Dogs have three eyelids. The third lid, called a nictitating membrane or "haw" keeps the eye lubricated and protected.
Ostriches can run faster than horses, and the male ostriches can roar like lions.