Interesting Facts about Mammals and Birds

Mammals are the only creatures that have flaps around their ears.

Cows can have regional accents.

Bulls are color blind.

A cow's only sweat glands are in its nose.   

An elephant can be pregnant for up to 2 years.    

A mule won't sink in quicksand but a donkey will.

More people are killed annually by donkeys than in airplane crashes.

Pigs can cover a mile in 7.5 minutes when running at top speed. 

The giraffe has the highest blood pressure of any animal.

Zebras can't see the color orange.

It is possible to lead a cow upstairs but not downstairs.

A rat can go without water longer than a camel can.

Polar bears are left handed.
An ostrich's eye is bigger than its brain.

A domestic cat can frighten a black bear to climb a tree.

The typical hen lays 19 dozen eggs a year.

A swan is the only bird with a penis.

The left leg of a chicken in more tender than the right one.

The only dog that doesn't have a pink tongue is the chow.   

Dogs and humans are the only animals with prostates.

Chickens can't swallow while they are upside down.  

A dog was the first animal to up in space. 

Camels have three eyelids to protect themselves from blowing sand.
The bones of a pigeon weigh less than its feathers.
The cheetah is the only cat in the world that can't retract its claws.
The mouse is the most common mammal in the US.
The penalty for killing a cat, 4,000 years ago in Egypt, was death.

A sheep, a duck and a rooster were the first animals to fly in a hot air balloon. The oldest breed of a dog known to mankind is the ‘Saluki’. 

Hippos have killed more than 400 people in Africa - more than any other wild animal.
Rats can't throw-up.

The largest egg from a living bird belongs to the ostrich. It is more than 2,000 times larger than the smallest bird egg, which is produced by the hummingbird. 

A group of owls is called a parliament.

A group of ravens is called a murder.

A group of bears is called a sleuth.