Whether fluffy or smooth, scaly or wet, here are some facts about our animal friends, by the numbers.
55.53 billion - The estimated number of dollars to be spent on pets in the United States in 2013.
82.5 million - The number of U.S. households with pets in 2012.
63.2 - The percentage of pet owners surveyed in 2011 who considered their pets members of the family.
70 - The percentage of Americans who considered themselves "dog people," according to a 2006 Gallup Poll.
20 - The percentage who told Gallup they liked cats better.
70 million - The number of pet dogs in the United States in 2012.
74.1 million - The number of pet cats in the United States in 2012.
Less than 1% - The estimated percentage of dogs and cats in the United States that are covered by pet insurance.
14 - The average number of dollars spent annually on veterinary care for pet birds.
75 - The maximum number of years a parrot is likely to live. Types of parrots include macaws, cockatoos and lovebirds.
56 - The percentage of dogs in the United States that sleep in bed with their owners. For cats, it's 63%.
Almost 12 - The number of inches a regular-sized aquarium goldfish can grow after being returned to the wild.
25 - The number of years microchips will last when implanted in pets. The chips can help recover lost pets.
5-7 million - The number of pets entering U.S. shelters every year. About half are strays and half are surrendered by their owners.
12.4 million - The record-setting number of "unique viewers" who watched Animal Planet's ninth annual "Puppy Bowl," on February 3, 2013.
2-4 million - The number of puppies born each year in U.S. "puppy mills," as of 2012.
8 - The average number of years a pet snake lives.
7 - The number of states that don't regulate or restrict potentially dangerous captive wildlife as pets, including big cats, large reptiles or bears.
4 - The number of dollars it cost to buy a "Pet Rock" in 1975, possibly one of the easiest pets to take care of, ever!