Learn about the diversity of life that can be found in your backyard, country and around the world.
The Wildlife Library also helps you learn how to identify each of the species, so that you can submit sightings to Wildlife Watch.
You can also learn about the different natural and human-caused threats that are endangering many species of wildlife.
Alligator | Alligator Snapping Turtle | Black rat snake | Bull Shark | California Red-Legged Frog | Chinook Salmon | Eastern box turtle | Flying Fish | Mudminnows | Puerto Rican Coqui | Pupfish | Rattlesnakes | Sawfish | Rainbow Trout or Steelhead | Southern Cricket Frog | Sea Turtles | Spotted salamander | Texas Blind Salamander | Tiger Salamander | Toads | Wood Frog
American Dipper | American robin | Bald eagle | Brown pelican | Burrowing Owl | Great Horned Owl | Roadrunner | Mallard | Northern Mockingbird | Peregrine falcon | Red-bellied woodpecker | Ruby-throated hummingbird | Sandhill crane | Whooping crane | Wood duck
Ants | Black carpenter ant | Bombadier Beetles | Cecropia Moth | Common Eastern Bumble Bee | Common House Spider | Earthworms | Fireflies | Garden Spider | Giant darner dragonfly | Horseshoe crab | Monarch butterfly | Sea Cucumber | Vernal Pool Fairy Shrimp | Rhinoceros Beetles | Walking Sticks | Water strider
American Beaver | American Pika | Bats | Bighorn Sheep | Bison | Black Bear | Black-tailed Prairie Dog | Blue Whale | Canada Lynx | Florida Panther | Gray Wolf | Grizzly Bear | Hawaiian Monk Seal | Humpback Whale | Key Deer | Moles | Nine-Banded Armadillo | Polar Bear | Pronghorn | Raccoon | Red Fox | Red Squirrel | Snowshoe Hare | Sperm Whales | Spinner Dolphin | Wolverine
Great Basin Bristlecone Pine | Cacti | Resurrection Fern | Skunk Cabbage | Venus Flytrap | Bald Cypress | California Bay Laurel | Douglas Fir | Great Basin Bristlecone Pine | Joshua Tree | Longleaf Pine | Quaking Aspen | Red Mangrove | Red Maple | Shagbark Hickory | Southern Live Oak | Truffles