A 1,200-pound horse eats about seven times it's own weight each year.
A bird requires more food in proportion to its size than a baby or a cat.
A capon is a castrated rooster.
A chameleon can move its eyes in two directions at the same time.
A chameleon's tongue is twice the length of its body.
A chimpanzee can learn to recognize itself in a mirror, but monkeys can't.
A Cornish game hen is really a young chicken, usually 5 to 6 weeks of age, that weighs no more than 2 pounds.
A cow gives nearly 200,000 glasses of milk in her lifetime.
A father Emperor penguin withstands the Antarctic cold for 60 days or more to protect his eggs, which he keeps on his feet, covered with a feathered flap. During this entire time he doesn't eat a thing. Most father penguins lose about 25 pounds while they wait for their babies to hatch. Afterward, they feed the chicks a special liquid from their throats. When the mother penguins return to care for the young, the fathers go to sea to eat and rest.
A father sea catfish keeps the eggs of his young in his mouth until they are ready to hatch. He will not eat until his young are born, which may take several weeks.
A female mackerel lays about 500,000 eggs at one time.
A Hindu temple dedicated to the rat goddess Karni Mata in Deshnoke, India, houses more than 20,000 rats.
A Holstein's spots are like a fingerprint or snowflake. No two cows have exactly the same pattern of spots.
A leech is a worm that feeds on blood. It will pierce its victim's skin, fill itself with three to four times its own body weight in blood, and will not feed again for months. Leeches were once used by doctors to drain "bad blood" from sick patients.
A newborn kangaroo is about 1 inch in length.
A normal cow's stomach has four compartments: the rumen, the recticulum (storage area), the omasum (where water is absorbed), and the abomasum ( the only compartment with digestive juices).
A polecat is not a cat. It is a nocturnal European weasel.
A quarter of the horses in the US died of a vast virus epidemic in 1872.
A rat can last longer without water than a camel can.
A single little brown bat can catch 1,200 mosquitoes-sized insects in just one hour.
A woodpecker can peck twenty times a second.
A zebra is white with black stripes.
After mating, the male Surinam Toad affixes the female's eggs to her back, where her spongy flesh will swell and envelope them. When the froglets hatch, they leave behind holes in their mother's flesh that they will remain sheltered in until large enough to fend for themselves.
All clams start out as males; some decide to become females at some point in their lives.
All pet hamsters are descended from a single female wild golden hamster found with a litter of 12 young in Syria in 1930.
An adult lion's roar can be heard up to five miles away, and warns off intruders or reunites scattered members of the pride.
An albatross can sleep while it flies. It apparently dozes while cruising at 25 mph.
An electric eel can produce a shock of up to 650 volts.
An iguana can stay under water for 28 minutes.
