Three dogs from First Class cabins survived the sinking of the Titanic – one Pekingese and two Pomeranians.

Dogs chase their tails for a variety of reasons: curiosity, exercise, anxiety, predatory instinct or, they might have fleas! If your dog is chasing his tail excessively, talk with your vet.

Dogs and humans have the same type of slow wave sleep (SWS) and rapid eye movement (REM) and during this REM stage dogs can dream. The twitching and paw movements that occur during their sleep are signs that your pet is dreaming.

Dogs’ eyes contain a special membrane, called the tapetum lucidum, which allows them to see in the dark.

A large breed dog’s resting heart beats between 60 and 100 times per minute, and a small dog breed’s heart beats between 100-140. Comparatively, a resting human heart beats 60-100 times per minute.

A dog’s normal temperature is between 101 and 102.5 degrees Fahrenheit.

Unlike humans who sweat everywhere, dogs only sweat through the pads of their feet.

Dogs have three eyelids, an upper lid, a lower lid and the third lid, called a nictitating membrane or “haw,” which helps keep the eye moist and protected.

Dogs’ noses secrete a thin layer of mucous that helps them absorb scent. They then lick their noses to sample the scent through their mouth.

Dogs have about 1,700 taste buds. Humans have approximately 9,000 and cats have around 473.

A Dog’s sense of smell is 10,000 – 100,000 times more acute as that of humans.

It’s a myth that dogs only see in black and white. In fact, it’s believed that dogs see primarily in blue, greenish-yellow, yellow and various shades of gray.

Sound frequency is measured in Hertz (Hz). The higher the Hertz, the higher-pitched the sound. Dogs hear best at 8,000 Hz, while humans hear best at around 2,000 Hz.

Dogs’ ears are extremely expressive. It’s no wonder! There are more than a dozen separate muscles that control a dog’s ear movements.

Cats are the most popular pet in the world.

Calico cats are almost always female.

Most cats are lactose intolerant and should not be given cow’s milk

Cats knead with their paws when they are happy.

A male cat is called a “Tom” and a female cat is called a “Queen.”

The Average cat sleeps 16-18 hours per day.

Cats have more than 100 different vocal sounds.

An adult cat has 30 adult teeth.

Cats can run up to 30 miles per hour.

A cat can jump approximately seven times its height.

A female cat carries her kittens for about 58-65 days before they are born.

Cats cannot taste anything sweet.

A cat’s sense of smell is approximately 14 times greater than that of a human.

A group of kittens is called a kindle; a group of adult cats is called a clowder.

Cats have five toes on each front paw, but only four toes on each back paw.

Cats who fall five stories have a 90 percent survival rate.

A cat’s whiskers aren’t just for show – they help cats detect objects and navigate in the dark.

Cats cannot see in complete darkness, only at low light levels.

Humans greet each other by shaking hands; cats greet one another by touching their noses together.

Cats have sandpaper-like tongues that they use to clean groom themselves.