A black and white drawing of a leopard. Leopard wildlife animal.
Find the best free stock photos of cats. Download all Cat images and use as you want: for free, no copyright restrictions, no attribution required!.
Long-toed salamander (Ambystoma macrodactylum), North Cascades Nationa...
North Cascades NP is one of the most biodiverse places in the entire National Park System, with over 1600 plant species identified and approximately 75 mammals, 20 reptiles and amphibians, 200 birds, 28 species... More
A skeleton of a dog on a white background. Wolf wolves skeleton, healt...
Gray's Anatomy is a classic human anatomy textbook first published in 1858 by Henry Gray. The book, which is widely considered to be one of the most important and influential works in the field of anatomy, prov... More
A monkey sitting on the ground with its mouth open. Arashiyama japan m...
Kyoto (京都, Kyōto) served as Japan's capital and the emperor's residence from 794 until 1868. It is one of the country's ten largest cities with a population of 1.5 million people and a modern face. Numerous atm... More
A baby monkey sitting on the back of an adult monkey. Arashiyama japan...
Kyoto (京都, Kyōto) served as Japan's capital and the emperor's residence from 794 until 1868. It is one of the country's ten largest cities with a population of 1.5 million people and a modern face. Numerous atm... More
A monkey sitting on the ground with its baby. Arashiyama japan monkey ...
Kyoto (京都, Kyōto) served as Japan's capital and the emperor's residence from 794 until 1868. It is one of the country's ten largest cities with a population of 1.5 million people and a modern face. Numerous atm... More
A baby baboon carries its mother on its back. Arashiyama japan monkey ...
Kyoto (京都, Kyōto) served as Japan's capital and the emperor's residence from 794 until 1868. It is one of the country's ten largest cities with a population of 1.5 million people and a modern face. Numerous atm... More
Public Domain Stock Photo . Arashiyama japan monkey park.
Kyoto (京都, Kyōto) served as Japan's capital and the emperor's residence from 794 until 1868. It is one of the country's ten largest cities with a population of 1.5 million people and a modern face. Numerous atm... More
A monkey sitting on a rock next to a body of water. Arashiyama japan m...
Kyoto (京都, Kyōto) served as Japan's capital and the emperor's residence from 794 until 1868. It is one of the country's ten largest cities with a population of 1.5 million people and a modern face. Numerous atm... More
A monkey standing on top of a roof next to a forest. Arashiyama japan ...
Kyoto (京都, Kyōto) served as Japan's capital and the emperor's residence from 794 until 1868. It is one of the country's ten largest cities with a population of 1.5 million people and a modern face. Numerous atm... More
Animal Locomotion. An Electro-Photographic Investigation of Consecuti...
Public domain illustrated book page scan, British book, free to use, no copyright restrictions image - Picryl description
Animal Locomotion. An Electro-Photographic Investigation of Consecuti...
Public domain illustrated book page scan, free to use, no copyright restrictions image - Picryl description
Turkeys near the mansion, Hampton National Historic Site, 1897.
Photo from a family album: turkeys in the yard near the mansion, ca 1897.
Bighorn sheep, Capitol Reef National Park, 2015.
Bighorn sheep (Ovis canadensis) originally crossed into North America over the Bering land bridge from Siberia. The population peaked in the millions and bighorn sheep entered into the mythology of Native Ameri... More
Bighorn sheep, Zion National Park, 2015.
Bighorn sheep (Ovis canadensis) originally crossed into North America over the Bering land bridge from Siberia. The population peaked in the millions and bighorn sheep entered into the mythology of Native Ameri... More
Bighorn sheep, Theodore Roosevelt National Park, 2015.
Bighorn sheep (Ovis canadensis) originally crossed into North America over the Bering land bridge from Siberia. The population peaked in the millions and bighorn sheep entered into the mythology of Native Ameri... More
Rocky Mountain elk looking over cliff, Grand Canyon National Park, 201...
Rocky Mountain elk (Cervus canadensis nelsoni) are the largest ungulates found in the park. Elk found in Grand Canyon National Park today are descendents of 303 individuals reintroduced to the state from 1913-1... More
Newborn elk fawn waits for the return of its mother, Wind Cave Nationa...
Elk calves, especially newborns, do their best to stay hidden and undetected by predators until mother returns for the next feeding. IMPORTANT: if you see a fawn anywhere, LEAVE IT ALONE. They are NOT abandoned... More
Bird of prey with its meal, a common rock dove (Columba livia), Boston...
North America's only indigenous passenger pigeon, which may have gathered in flocks numbering in the billions, became extinct in 1914 at the hands of humans. So, how are pigeons one of the most easily-recogniza... More
White-nosed coati (Nasua narica), Chiricahua National Monument, 2015.
A relative of the raccoon, the coatimundi or white-nosed coati, live in wooded areas of the Americas. These omnivores easily climb trees but prefer ground foraging. Like its relative, the raccoon, coatis adapt ... More
White-nosed coati (Nasua narica), Gila Cliff Dwellings National Monume...
A relative of the raccoon, the coatimundi or white-nosed coati, live in wooded areas of the Americas. These omnivores easily climb trees but prefer ground foraging. Like its relative, the raccoon, coatis adapt ... More
White-nosed coati (Nasua narica), Gila Cliff Dwellings National Monume...
A relative of the raccoon, the coatimundi or white-nosed coati, live in wooded areas of the Americas. These omnivores easily climb trees but prefer ground foraging. Like its relative, the raccoon, coatis adapt ... More
White-nosed coati (Nasua narica), Chiricahua National Monument, 2014.
A relative of the raccoon, the coatimundi or white-nosed coati, live in wooded areas of the Americas. These omnivores easily climb trees but prefer ground foraging. Like its relative, the raccoon, coatis adapt ... More
White-tailed kite (Elanus leucurus), Point Reyes National Seashore, 20...
Their coloration is gull-like but their shape and flight are falcon-like. Look for mostly white underparts with black wingtips and shoulders. Due to shooting and egg-collecting, the white-tailed kite was almost... More
A drawing of a woman holding a bird on her shoulders. Fairy tale vinta...
Eagle bird photographs: Free images of eagles, available for commercial use and free download. Copyright-free, no attribution required.
Rock wren (Salpinctes obsoletus), Saguaro National Park, 2015.
Like most desert animals, rock wrens don't drink water (even in captivity). They get their water from the insects and spiders they eat. They are also fantastic singers, especially males. He may have an amazing ... More
Eurasian collared doves (Streptopelia decoacto) in a tree near Bullfro...
Native to warm and subtropical Asia, these doves were introduced to North America in the 1980's.
Hawaiian coot (Fulica alai), Kaloko-Honokōhau National Historical Park...
The Hawaiian coot, also called 'alae kea' in Hawaiian, is similar to the American coot (Fulica americana) you are probably familiar with. They are similar in appearance, size and weight as well as both exhibiti... More
Steller's jay, Yellowstone National Park, 2005.
Steller's jay (Cyanocitta stelleri) is a jay native to North America and is, perhaps not surprisingly, closely-related to the blue jay. Jays are noisy, (usually) colorful birds in the crow family. This particul... More
Wildlife Monitoring Camera: River Otter - 10/6/09
A nighttime photo of a river otter (Lontra canadensis).
Mountain Lion Roaming at Night - Public domain zoological illustration
A collared mountain lion is spotted near Mulholland Highway in the Santa Monica Mountains National Recreation Area.
Wildlife Monitoring Camera: Mountain Lion - 3/25/10
A nighttime photo of a mountain lion.
Male ornate box turtle (Terrapene ornata ornata), Tallgrass Prairie Na...
The ornate box turtle is one of only two terrestrial species of turtles native to the great plains. It is also one of only two subspecies of Terrapene ornata. This relatively small turtle is of concern and prot... More
A mallard (Anas platyrhynchos) blends into the swamp, George Washingto...
Mallards are also commonly called simply, 'wild duck'. This dabbling duck lives in wetlands and enjoys eating water plants and small animals. Highly social, it congregates in groups / flocks of varying sizes. T... More
Northern cardinal (Cardinalis cardinalis), Hampton National Historic S...
Northern cardinals are found in southern Canada, through the eastern US and south through Mexico in woodlands, gardens, shrublands and even swamps. The common & scientific names of this bird refer to the cardin... More
American marten, North Cascades National Park, 2012.
The American marten (Martes americana) is just one of seven mustelid species native to the North Cascades. This North American carnivorous mammal has large rounded ears, short limbs and a bushy tail. The head i... More
Mountain goat (Oreamnos americanus), Yellowstone National Park, 2012.
Pictured: mountain goat with kid. The scientific name Oreamnos is derived from 'oros' meaning 'mountain' and 'amnos' meaning 'lamb'. Also called the 'Rocky Mountain goat', this large hoofed mammal is common to ... More
Pronghorn doe and fawns, Bryce Canyon National Park, 2012.
This artiodactyl (even-toed) mammal is indigenous to North America. Commonly known simply as pronghorn (Antilocapra americana), it is the fastest land animal in North America, able to reach 60 miles per hour! D... More
Marsh rabbit (Sylvilagus palustris), Congaree National Park, 2012.
Picryl description: Public domain image of wildlife, wild animals, nature, free to use, no copyright restrictions.
Snowshoe hare (Lepus americanus), North Cascades National Park, 2012.
Seen at the beginning of August, this snowshoe hare has a few patches of winter-white mottling his fur. Have you ever wondered what is the difference between a rabbit and a hare? There are many but one of the m... More
Humpback whales bubble net feeding, Kenai Fjords National Park, 2012.
Humpback whales (Megaptera novaeangliae) employ a unique feeding technique called 'bubble net feeding'. The group will swim in a shrinking circle while blowing bubbles below a school of fish. This shrinking col... More
Two bull caribou (Rangifer tarandus), Gates of the Arctic National Par...
These two bull caribou were sentinels on alert, making certain the herd was safely out of range of the wolf that had been pursuing them. Did you know that caribou are the only members of the deer family in whic... More
American green tree frog (Hyla cinerea), Congaree National Park, 2012.
Picryl description: Public domain image of wildlife, wild animals, nature, free to use, no copyright restrictions.
Tern (Sternidae), Missouri National Recreational River, 2012.
Picryl description: Public domain image of wildlife, wild animals, nature, free to use, no copyright restrictions.
Pickerel frog (Rana palustris), Congaree National Park, 2012.
Picryl description: Public domain image of wildlife, wild animals, nature, free to use, no copyright restrictions.
American green tree frog (Hyla cinerea), Congaree National Park, 2012.
Picryl description: Public domain image of wildlife, wild animals, nature, free to use, no copyright restrictions.
Prothonotary warbler (Protonotaria citrea), Congaree National Park, 20...
Picryl description: Public domain image of a bird, free to use, no copyright restrictions.
Golden silk orb-weaver (Nephila), Congaree National Park, 2012.
This spider's common name, specifically the word gold, refers to the color of the spider's silk and not the spider itself.
Stag beetle (Lucanidae), Congaree National Park, 2012.
Stag beetles include about 1,200 species of beetle, separated into just four subfamilies. It's probably not surprising that the name derives from the male beetles' distinctive mandibles, which are found in most... More
Short-eared owl (Asio flammeus), Bering Land Bridge National Preserve,...
Flammeus literally means "flaming" or "color of fire" in Latin. Owls belonging to the genus Asio are known as the eared owls because their tufts of feathers resemble mammalian ears. Interestingly, these 'ear' t... More
Humpback whales bubble net feeding, Kenai Fjords National Park, 2012.
Humpback whales (Megaptera novaeangliae) employ a unique feeding technique called 'bubble net feeding'. The group will swim in a shrinking circle while blowing bubbles below a school of fish. This shrinking col... More
Prothonotary warbler (Protonotaria citrea), Congaree National Park, 20...
Picryl description: Public domain image of wildlife, wild animals, nature, free to use, no copyright restrictions.
Desert Valley pupfish, Death Valley National Park, 2012.
Salt Creek pupfish (Cyprinodon salinus), also known as the Death Valley pupfish, venture into the shallows of Salt Creek in spring to feed, defend territory and mate. This male is about 2-inches long.
Desert horned lizard hatchling, Death Valley National Park, 2012.
Often referred to as 'horny toads', with just a glance, it shouldn't be surprising that the desert horned lizard (Phrynosoma platyrhinos) is not actually a toad at all. Colors vary greatly but this species does... More
Tern (Sternidae), Missouri National Recreational River, 2012.
Picryl description: Public domain image of wildlife, wild animals, nature, free to use, no copyright restrictions.
Hoary marmot, Kenai Fjords National Park, 2012.
The hoary marmot (Marmota caligata) inhabits the mountains of northwest North America, living near the tree line on slopes. These areas provide grasses to eat and rocky areas for cover. It is the largest N. Ame... More
Mud salamander (Psuedotriton montanus), Congaree National Park, 2012.
Also called the mountain triton, this salamander is often confused with the red salamander. However, distinguish this species by its dark eyes and short snout.
Red fox kit (Vulpes vulpes), Craters of the Moon National Park & Prese...
There are three main color morphs of the red fox, including red, silver/black and cross morphs; however, there are many atypical colorations that mostly occur in cold regions.
Tufted titmouse (Baeolophus bicolor), Chattahoochee River National Rec...
These birds live in deciduous or mixed evergreen-deciduous woods above 2,000 feet elevation. Distinguish the tufted titmouse from other similar titmice by the black patch just above its bill. This bird has inte... More
Winter park residents, Rock Creek Park, 2013.
These are just some of the park's winter residents; see the tufted titmouse (Baeolophus bicolor) in flight and the northern cardinal (Cardinalis cardinalis) resting in the tree.
Red-bellied woodpecker (Melanerpes carolinus), Chattahoochee River Nat...
These woodpeckers have strikingly-barred backs and gleaming red caps. Don't confuse this species with the similar but rarer red-headed woodpecker which has a mostly black back with big white wing bars. If you c... More
First American bison (Bison bison) calf of the 2013 year, Tallgrass Pr...
American bison are found only in North America. Sometimes historically referred to as 'buffalo', it is actually only very distantly related to the true buffalo. Due to their size, bison have few modern era pred... More
California condor (Gymnogyps californianus), Cedar Breaks National Mon...
This New World vulture is the largest land bird in North America and one of the world's rarest bird species. Sadly, the condor became extinct in the wild in 1987 which means that every condor you see has been c... More
Scorpion (Arachnida), Great Basin National Park, 2013.
Scorpions glow under ultraviolet light (even after death). Why? The best theory is that although scorpions can see, they don't see very well (even with up to 6 pair of eyes.) They have truly terrible vision out... More
Sonoran mountain kingsnake, Great Basin National Park, 2013.
You've probably already noticed that this Sonoran mountain kingsnake, also sometimes called the Chihuahuan mountain kingsnake, is a coral snake mimic. This colubrid (i.e., group of mostly-harmless snakes) resid... More
Monarch (Danaus plexippus), George Washington Carver National Monument...
Monarch butterflies have developed two main adaptations for survival: warning coloration and toxicity. As a caterpillar, monarchs eat a diet consisting mainly of milkweed, which contains a toxin that causes dis... More
Great blue heron (Ardea herodias), National Capital Parks - East, 2013...
Breeding great blue herons gather in colonies or heronries to build stick nests high off the ground. Known for its dagger-like bill, slow walk while stalking prey and a conspicuous S-shaped curl in its neck, th... More
California condor (Gymnogyps californianus), Cedar Breaks National Mon...
This New World vulture is the largest land bird in North America and one of the world's rarest bird species. Sadly, the condor became extinct in the wild in 1987 which means that every condor you see has been c... More
Great blue heron (Ardea herodias), National Capital Parks - East, 2013...
Breeding great blue herons gather in colonies or heronries to build stick nests high off the ground. Known for its dagger-like bill, slow walk while stalking prey and a conspicuous S-shaped curl in its neck, th... More
Bagworm (Psychidae) case, Abraham Lincoln Birthplace National Historic...
Bagworms, also called bagworm moths or bagmoths, are a Lepidoptera family that create protective cases similar to the one in this photo. Most are harmless to humans and are rarely even noticed because of its am... More
Smooth softshell turtle (Apalone mutica), Missouri National Recreation...
Two softshell turtles are found at this recreational river. The smooth softshell in the picture may be easily confused with the spiny softshell turtle because their differences can be quite subtle. The spiny so... More
Mule deer, Grand Teton National Park, 2013.
Mule deer (Odocoileus hemionus) are named for their ears, which resemble those of a mule. Distinguish this deer from white-tailed deer most easily by the ears, color of the tail and configuration of antlers. Th... More
Wood duck (Aix sponsa) ducklings, Rock Creek Park, 2013.
The day after hatching, young wood ducks will climb to the tree nest entrance (or in this case, man-made nest box entrance) and jump! These precocial ducklings then make their way to the water where they are al... More
North American beaver (Castor canadensis), Yukon-Charley Rivers Nation...
Pictured: a beaver swims in a creek at the preserve. The beaver has permission to, at will, initiate and construct on any wild land regardless of ownership, property lines or land use authority.
Eastern box turtle (Terrapene carolina carolina), Hampton National His...
The eastern box turtle is a subspecies of hinge-shelled turtles, often simply called box turtles. T. c. carolina is native to the eastern US and is a subspecies of one of only two box turtle species found anywh... More
Long-eared owl (Asio otus), Mojave National Preserve, 2013.
Those who approach quietly often see long-eared owls in the tamarisk trees at Kelso Depot Visitor Center. Over much of its range, long-eared owls occur with the similar-looking short-eared owl (Asio flammeus). ... More
Tiny spider, Great Basin National Park, 2013.
Picryl description: Public domain image of wildlife, wild animals, nature, free to use, no copyright restrictions.
Greater roadrunner (Geococcyx californianus), Montezuma Castle Nationa...
Along with the lesser roadrunner (G. velox), it is one of only two species in the roadrunner genus, Geococcyx. The name 'geococcyx' is Latin for 'earth-cuckoo' but you may also know this bird by the name chapar... More
Common eiders (Somateria mollissima), Bering Land Bridge National Pres...
The common eider is the largest eider species. They are characterized by a bulky shape and large, wedge-shaped bill. The male is unmistakable with its black and white plumage and green nape. The female, as you ... More
Side-blotched lizard (Uta), John Day Fossil Beds National Monument, 20...
Side-blotched lizards are one of the most abundant and commonly-observed in western North American deserts. Interestingly, these lizards are noted for having the largest number of distinct male and female morph... More
Wolf spider (Lycosidae), Abraham Lincoln Birthplace National Historica...
Wolf spiders are agile hunters with excellent eyesight. These bulky spiders live mostly solitary lives and are opportunistic hunters. Wolf spiders will pounce upon prey as they find it and may even chase it for... More
California condor (Gymnogyps californianus), Cedar Breaks National Mon...
This New World vulture is the largest land bird in North America and one of the world's rarest bird species. Sadly, the condor became extinct in the wild in 1987 which means that every condor you see has been c... More
American black bear den, Apostle Islands National Lakeshore, 2013.
Pictured; American black bear (Ursus americanus) hibernating with cubs. NOTE: never approach a bear, especially in a tree. Do not stand below a tree containing a bear. Enjoy the park and trees but "Be Bear Awar... More
California condor (Gymnogyps californianus), Cedar Breaks National Mon...
This New World vulture is the largest land bird in North America and one of the world's rarest bird species. Sadly, the condor became extinct in the wild in 1987 which means that every condor you see has been c... More
Osprey (Pandion haliaetus), Fort Matanzas National Monument, 2013.
The osprey has many common names, including fish eagle, sea hawk, river hawk and fish hawk. While the osprey can live in a wide variety of habitats, it prefers to live and nest near bodies of water with an adeq... More
Young male Bullock's oriole (Icterus bullockii), Curecanti National Re...
Bullock's orioles are sexually dimorphic, with males showing more color (as in the photo) than females. Males are also slightly larger and heavier. Juveniles resemble females with a pink or whitish bill and dar... More
North American porcupine (Erethizon dorsatum), Grand Teton National Pa...
This animal may also be called the Canadian porcupine or common porcupine. Its common name 'porcupine' comes from the old French word for 'quill pig', which is yet another colloquial name for this animal. It is... More
Wild turkey, Wind Cave National Park, 2013.
The wild turkey is native to North America and is the same species as the domestic turkey (Meleagris gallopavo). Interestingly, the head and neck of the male (tom) turkey turns bright blue during courtship. So,... More
Mule deer (Odocoileus hemionus) with her twin fawns, Lake Roosevelt Na...
Female mule deer will often have twin fawns after they've had their first fawn (which is usually a single). Fawns are born in the spring and will stay with their mother during the summer until they are weaned i... More
Young caribou (Rangifer tarandus), Gates of the Arctic National Park a...
Big hooves for paddles and hollow hair for bouyancy make caribou good swimmers. Caribou also have large, concave hooves that help support them in the deep snows of winter and on the soft surface of tundra. Inte... More
Golden-mantled ground squirrel (Callospermophilus lateralis), Curecant...
Sometimes confused for chipmunks because of similar coloration, golden-mantled ground squirrels do actually share a few similar habits with the chipmunk. Like chipmunks, they carry food in their cheek pouches a... More
Arctic tern (Sterna paradisaea), Bering Land Bridge National Preserve,...
The arctic tern is a strongly migratory seabird with a convoluted route between its northern breeding grounds and the Antarctic coast. By far, it has the longest known migration in the animal kingdom (up to 44,... More
Mountain bluebird (Sialia currucoides), Craters of the Moon National P...
The mountain bluebird is a relative of the eastern and western bluebirds.
Western scrub jay (Aphelocoma californica), Golden Gate National Recre...
Don't confuse the scrub jay with a blue jay, which is an entirely different species of bird! True to its name, the western scrub jay prefers low scrub areas. These birds usually forage in pairs, family groups o... More
Black-tailed deer (Odocoileus hemionus columbianus), Golden Gate Natio...
Though arguments still exist, all recent authorities maintain that the black-tailed deer is a subspecies of the mule deer (Odocoileus hemionus). Black-tailed deer are considered a 'keystone species' in the nati... More
Tufted puffin (Fratercula cirrhata), Glacier Bay National Park and Pre...
This puffin is easily differentiated from the only other two puffin species because of its thick red bill and yellow tufts.
Red-shouldered hawk (Buteo lineatus), Sequoia and Kings Canyon Nationa...
As a perch-hunter, this bird sits atop branches and scans the ground for small animals to devour. If you see a raptor, identify the red-shouldered hawk by the rusty patches on its shoulders that give the animal... More
Garter snake (Thamnophis sirtalis), Blue Ridge Parkway, 2014.
Garter snakes may be harmless to humans but, like all snakes, they are carnivores. These cute little snakes eat almost anything they can overpower. This means slugs, worms, leeches, lizards, crickets and even f... More
Blue-gray gnatcatcher, Arches National Park, 2014.
Blue-gray gnatcatcher (polioptila caerulea) catches a meal on the wing.
Brown bear, Katmai National Park & Preserve, 2014.
Bear profile: #634 Popeye. Brown bears (Ursus arctos) are the largest terrestrial member of the order carnivoran, which includes 280 species of placental mammals. It is widely-distributed throughout northern Eu... More