Birds
Did you know that only the male canaries sing?
Flamingos can only eat with their heads upside down.
A hummingbird weighs less than a penny!
One ostrich’s egg weighs 3 1/2 pounds
The fastest bird is the peregrine falcon. It can fly at a speed of 168-217 miles per hour.
Hummingbirds flap their wings between 50 and 70 times a second!
Some ducks and geese can fly as much as 332 miles a day! 
The Mediterranean Peregrine Falcon, in this context known as the Maltese Falcon, was the annual rent required by Holy Roman Emperor Charles V when he donated the

Island of
Malta to the Knights Hospitaller in 1530.
The Peregrine Falcon appears on the left hand side of the Coat of arms of the Isle of Man. The Peregrine is used owing to the historical importance of the bird in the Isle of Man. When Henry IV of England gave the Isle of Man to Sir John Stanley he made the condition that Sir John give two Peregrine Falcons to him, and furthermore to every future monarch of England on his or her Coronation Day. This tradition was carried out up to the Coronation of George IV in 1821.
The Japanese word for Peregrine Falcon is Hayabusa, and has been applied to several items and characters in Japanese culture.
The air pressure from the Peregrine’s bullet-like attack plunge might burst an ordinary bird’s lungs. It’s thought that the series of baffles in a Peregrine’s nostrils slow the wind velocity, enabling the bird to breathe while diving. This feature of the Peregrine’s nostrils, once its use was found, was mimicked in fighter jets.
A Peregrine Falcon, Lucy, was filmed in the movie The Falcon and the Snowman.
A Peregrine Falcon will be prominently featured on the
Idaho quarter to be issued in 2007 as part of the United States Mint’s 50 State Quarters program.
The Peregrine Falcon was declared
Chicago’s official city bird in 1999 after it began nesting on the city’s skyscrapers.
Author Tom Clancy lives in a house named “Peregrine Cliff,” as does his fictional hero Jack Ryan.

Cats
Cats can make over 100 vocal sounds, while dogs can only make 10.
A cat can jump as much as seven times its height.
A cat uses its whiskers to determine if a space is too small to squeeze through. The whiskers act as feelers or antennae, helping the animal to judge the precise width of any passage.
A cat will almost never meow at another cat. Cats use this sound for humans.
A cat will never break a sweat because it has no sweat glands.
A cat will spend nearly 30% of its life grooming itself.
Female lions do 90% of the hunting.
95% of cat owners admit they talk to their cats.
A cat has 230 bones in its body. A human only has 206 bones.
A cat sees about six times better than a human at night because of the tapetum lucidium , a layer of extra reflecting cells which absorb light.
A cat’s sense of taste is keener than a dog’s sense of taste.
A cat’s tail held high means happiness. A twitching tail is a warning sign, and a tail tucked in close to the body is a sure sign of insecurity.
The penalty for killing a cat, 4,000 years ago in Egypt, was death.
The only domestic animal not mentioned in the Bible is the cat.
Cats have more than one hundred vocal sounds, while dogs only have about ten. Dogs are mentioned 14 times in the Bible.

Dogs
Q: When he gets bored, your dog chews on his paws. Should you: (a) enroll him in group therapy; (b) make him wear mittens; or (c) dab a little oil of clove on his favorite nibble spot?
A: The Old Farmers Almanac says oil of clove discourages nibbling dogs.
For Stephen King’s “Cujo” (1983), five St. Bernard dogs were used, one mechanical head, and an actor in a dog costume to play the title character.

Ducks
A duck’s quack has no echo.

Horses
The underside of a horse’s hoof is called a frog. The frog peels off several times a year with new growth.
When a female horse and male donkey mate, the offspring is called a mule, but when a male horse and female donkey mate, the offspring is called a hinny.

Marine Life
A starfish doesn’t have a brain.

Miscellaneous
It has been established that people who own pets live longer, have less stress, and have fewer heart attacks.
Some 39 percent of pet owners say they have more photos of their pet than of their spouse or significant other. Only 21 percent say they have more photos of their spouse or significant other than of their pet.

Rodents
Most hamsters blink one eye at a time.

Skunks
Skunks can shoot their bad-smelling spray only about two yards, but you can smell it up to two and a half miles away.

 ______________________________________________________________

Sources:

http://www.funology.com/thatsodd/odd_animals008.htm

http://www.corsinet.com/trivia/a-triv.html

http://halife.com/trivia/animal.html

http://www.i-pets.com/petfunt-cat.html