Dogs are pack animals - they don't enjoy being alone.

Dogs are pack animals – they don’t enjoy being alone

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Cats only sweat through their paws and nowhere else on their body

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In one litter of kittens, there could be multiple “father” cats

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Puppies can sleep 18 to 20 hours a day during that rapid body growth

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Dogs’ noses secrete a thin layer of mucous that helps them absorb scent.

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The Cat Fanciers Association (CFA) recognizes 44 breeds of cats

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Cats have 32 muscles in each ear. A cat can rotate its ears