| Happy Mew Year For Cats Day | |  |
| National Pet Travel Safety Day | | |
| National Bird Day | | |
| National Save The Eagles Day | | |
| National Dress Up Your Pet Day | | |
| International Hoof Care Week | | |
| Penguin Awareness Day | | |
| Squirrel Appreciation Day | | |
| Rattlesnake Roundup Day | | |
| National Bird Feeding Month | | |
| National Serpent Day | | |
| Groundhog Day | | |
| Marmot Day | | |
| National Brown Dog Day | | |
| Sled Dog Day | | |
| Feed The Birds Day | | |
| Western Monarch Day | | |
| Have A Heart For Chained Dogs Week | | |
| Great Backyard Bird Count | | |
| Pet Theft Awareness Day | | |
| World Hippo Day | | |
| National Love Your Pet Day | | |
| World Pangolin Day | | |
| World Whale Day | | |
| National Invasive Species Awareness Week | | |
| National Walking The Dog Day | | |
| National Dog Biscuit Day | | |
| World Spay Day | | |
| International Polar Bear Day | | |
| National Horse Protection Day | | |
| National Pig Day | | |
| International Rescue Cat Day | | |
| What If Cats And Dogs Had Opposable Thumbs Day | | |
| World Wildlife Day | | |
| National Professional Pet Sitters Week | | |
| National K9 Veterans Day | | |
| Moth-er Day | | |
| National Learn About Butterflies Day | | |
| National Panda Day | | |
| Puppy Day | | |
| Respect Your Cat Day | | |
| Manatee Appreciation Day | | |
| Active Dog Month | | |
| Adopt A Ferret Month | | |
| National Canine Fitness Month | | |
| National Ferret Day | | |
| World Aquatic Animal Day | | |
| World Rat Day | | |
| National Siamese Cat Day | | |
| International Beaver Day | | |
| National Pygmy Hippo Day | | |
| National Zoo Lovers Day | | |
| National Farm Animals Day | | |
| National Hug Your Dog Day | | |
| National Pet Day | | |
| World Hamster Day | | |
| National Dolphin Day | | |
| Save The Elephant Day | | |
| National Bat Appreciation Day | | |
| Pet Owners Independence Day | | |
| National Bulldogs Are Beautiful Day | | |
| National Beagle Day | | |
| National Lost Dogs Awareness Day | | |
| National Go Birding Day | | |
| National Pet Parents Day | | |
| World Penguin Day | | |
| National Audubon Day | | |
| National Help a Horse Day | | |
| National Kids and Pets Day | | |
| Marine Mammal Rescue Day | | |
| World Tapir Day | | |
| International Guide Dog Day | | |
| Save The Frogs Day | | |
| National Adopt a Shelter Pet Day | | |
| National Hairball Awareness Day | | |
| National Purebred Dog Day | | |
| National Start Seeing Monarchs Day | | |
| National Pet Week | | |
| World Tuna Day | | |
| National Specially-Able Pets Day | | |
| National Dog Mom’s Day | | |
| World Donkey Day | | |
| World Migratory Bird Day | | |
| Horse Rescue Day | | |
| International Heritage Breeds Week | | |
| National Sea Monkey Day | | |
| National Rescue Dog Day | | |
| World Bee Day | | |
| National Endangered Species Day | | |
| International Day for Biological Diversity | | |
| World Turtle Day | | |
| Dinosaur Day | | |
| National Adopt A Cat Month | | |
| National Pollinators Month | | |
| National Zoo And Aquarium Month | | |
| Hug Your Cat Day | | |
| National Black Bear Day | | |
| Clean Your Aquarium Day | | |
| World Giraffe Day | | |
| National Catfish Day | | |
| Take Your Dog to Work Day | | |
| Don’t Step On A Bee Day | | |
| National Kitten Day | | |
| All American Pet Photo Day | | |
| Cow Appreciation Day | | |
| Shark Awareness Day | | |
| National I Love Horses Day | | |
| National Pet Fire Safety Day | | |
| Guinea Pig Appreciation Day | | |
| World Snake Day | | |
| National Moth Week | | |
| International Tiger Day | | |
| National Mutt Day | | |
| National Alpaca Day | | |
| National Catfish Month | | |
| National Dog Month | | |
| Assistance Dog Day | | |
| International Clouded Leopard Day | | |
| International Cat Day | | |
| Scottish Wildcat Day | | |
| National Spoil Your Dog Day | | |
| World Lion Day | | |
| World Elephant Day | | |
| National Check The Chip Day | | |
| Black Cat Appreciation Day | | |
| International Orangutan Day | | |
| World Mosquito Day | | |
| International Homeless Animals Day | | |
| World Honey Bee Day | | |
| National Take Your Cat To The Vet Day | | |
| National Dog Day | | |
| International Bat Nights | | |
| Rainbow Bridge Remembrance Day | | |
| International Whale Shark Day | | |
| National Holistic Pet Day | | |
| Ginger Cat Appreciation Day | | |
| Happy Cat Month | | |
| National Chicken Month | | |
| International Vulture Awareness Day | | |
| National Wildlife Day | | |
| National Iguana Awareness Day | | |
| National Farm Animals Awareness Week | | |
| National Hug Your Hound Day | | |
| National Pet Memorial Day | | |
| International Red Panda Day | | |
| Puppy Mill Awareness Day | | |
| Responsible Dog Ownership Day | | |
| Elephant Appreciation Day | | |
| World Rhino Day | | |
| Checkers Day | | |
| Remember Me Thursday | | |
| Bluebird Of Happiness Day | | |
| Save The Koala Day | | |
| International Rabbit Day | | |
| National Shamu the Whale Day | | |
| Adopt A Shelter Dog Month | | |
| Bat Appreciation Month | | |
| Black Cat Awareness Month | | |
| Fire Pup Day | | |
| National Animal Safety And Protection Month | | |
| National Black Dog Day | | |
| Raptor Month | | |
| Squirrel Awareness Month | | |
| Walk Your Dog Week | | |
| World Farm Animals Day | | |
| World Animal Day | | |
| National Badger Day | | |
| Vet Nurse Day | | |
| World Octopus Day | | |
| International African Penguin Awareness Day | | |
| World Migratory Bird Day | | |
| National Pet Obesity Awareness Day | | |
| National Fetch Day | | |
| Global Cat Day | | |
| National Feral Cat Day | | |
| National Wolf Awareness Week | | |
| Hagfish Day | | |
| International Sloth Day | | |
| National Reptile Awareness Day | | |
| National Make a Dog’s Day | | |
| International Snow Leopard Day | | |
| National Mule Day | | |
| National Black Cat Day | | |
| National Cat Day | | |
| National Hug A Sheep Day | | |
| Adopt A Senior Pet Month | | |
| Manatee Awareness Month | | |
| National Cook For Your Pets Day | | |
| National Pet Cancer Awareness Month | | |
| World Jellyfish Day | | |
| National Bison Day | | |
| World Numbat Day | | |
| National Canine Lymphoma Awareness Day | | |
| Fancy Rat & Mouse Day | | |
| Turtle Adoption Day | | |
| Operation Santa Paws | | |
| National Mutt Day | | |
| International Cheetah Day | | |
| World Wildlife Conservation Day | | |
| International Day Of Veterinary Medicine | | |
| National Llama Day | | |
| International Animal Rights Day | | |
| Day Of The Horse | | |
| Monkey Day | | |
| Visit The Zoo Day | | |
