Authority Library

The Pet Knowledge Encyclopedia

A growing authority library covering dog breeds, cat breeds, bird breeds, health, behavior, training, names, rankings, and the most researched questions about pets.

Breed & Species Guides

Dog Breed Guide

Energy, trainability, intelligence, best with kids, protection ability, and popularity rankings for hundreds of breeds.

Cat Guide

Why they purr, scratch, bite, meow, like boxes, hate cucumbers, and everything else about feline behavior.

Bird Guide

Most owned species, talking ability, hand-feeding, care instructions, lifespan, and naming guides.

Dog, cat, and parrot together

Most Asked Pet Questions

Most Asked Dog Questions

  • Why do dogs eat grass?
  • Why do dogs eat poop?
  • Why do dogs bark all night?
  • Why do dogs howl?
  • Why do dogs bite?
  • Why do dogs chase their tails?
  • Why do dogs lick everything?

Most Asked Cat Questions

  • Why do cats scratch furniture?
  • Why do cats purr?
  • Why do cats meow so much?
  • Why do cats like boxes?
  • Why do cats hate cucumbers?
  • Why do cats knock things over?
  • Why do cats bring dead animals?

Dog Breed Rankings

Smartest Dog Breeds

  1. Border Collie
  2. Poodle
  3. German Shepherd
  4. Golden Retriever
  5. Doberman Pinscher

Best With Kids

  1. Golden Retriever
  2. Labrador Retriever
  3. Beagle
  4. Boxer
  5. Collie

Best Protection Dogs

  1. German Shepherd
  2. Rottweiler
  3. Doberman
  4. Belgian Malinois
  5. Bullmastiff

Pet Fun Facts

Dogs have about 300 million scent receptors in their noses — compared to about 6 million in humans.

Cats can rotate their ears 180 degrees using 32 individual muscles.

Parrots are among the most intelligent birds and can solve complex puzzles and use tools.

A dog's nose print is as unique as a human fingerprint.

Cats spend approximately 70% of their lives sleeping.

The Greyhound is the fastest dog breed, reaching speeds up to 45 mph.

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