President Lyndon Johnson's beagles were named Him and Her.
Humans generally see better than dogs, but dogs see much better when there is low-light.
Since cats are so good at hiding illness, even a single instance of a symptom should be taken very seriously.
Heat occurs several times a year and can last anywhere from 3 to 15 days.
A dog's sense of smell is about 10,000 times stronger than a human's.
Dogs judge objects first by their movement, then by their brightness, and lastly by their shape.
Dogs have sweat glands in between their paws.
Puppies have 28 teeth and adult dogs have 42.
The leopard is the most widespread of all big cats.
Cats spend nearly 1/3 of their waking hours cleaning themselves.
Despite imagery of cats happily drinking milk from saucers, studies indicate that cats are actually lactose intolerant and should avoid it entirely.
The shortest living dog was a Chihuahua named Milly, who measured only 3.8 inches tall.
President Lyndon Johnson's beagles were named Him and Her.
Puppies have 28 teeth and adult dogs have 42.
At the age of 4 weeks, most dogs have developed the majority of their vocalizations.