The western toad (Anaxyrus boreas, formerly Bufo boreas) is a large toad species, between 5.6 and 13 cm (2.2 and 5.1 in) long, native to western North America. A. boreas is frequently encountered during the wet season on roads, or near water at other times. When handled adults often vocalize, making a sound like a peeping chick while struggling. It eats any type of ...more ↓
The California tree frog or California chorus frog (Pseudacris cadaverina) is a "true" tree frog (family Hylidae) from southern California (USA) and Baja California (Mexico). Until recently, the California tree frog was classified in the genus Hyla.
The Pacific tree frog (Pseudacris regilla), also known as the Pacific chorus frog, has a range from the West Coast of the United States (from Northern California, Oregon, and Washington) to British Columbia in Canada and extreme southern Alaska. They live from sea level to more than 10,000 feet in many types of habitats, reproducing in aquatic settings. They occur ...more ↓
The California newt or orange-bellied newt (Taricha torosa), is a species of newt endemic to California, in the Western United States. Its adult length can range from 5 to 8 in (13 to 20 cm). Its skin produces a potent toxin.
The western fence lizard (Sceloporus occidentalis) is a common lizard of Arizona, California, Idaho, Nevada, Oregon, Utah, Washington, Northern Mexico, and the surrounding area. As the ventral abdomen of an adult is characteristically blue, it is also known as the blue-belly.
Pituophis catenifer is a species of nonvenomous colubrid snake endemic to North America. Six subspecies are currently recognized, including the nominotypical subspecies, Pituophis catenifer catenifer, described here. This snake is often mistaken for the prairie rattlesnake but can be easily distinguished from a rattlesnake by the lack of black and white banding on its ...more ↓
The red-eared slider (Trachemys scripta elegans), also known as the red-eared terrapin, is a semiaquatic turtle belonging to the family Emydidae. It is a subspecies of the pond slider. It is the most popular pet turtle in the United States and is also popular as a pet in the rest of the world. It has, therefore, become the most commonly traded turtle in the world. It is ...more ↓
The Virginia opossum (Didelphis virginiana), commonly known as the North American opossum, is a marsupial found in North America. It is the only marsupial found north of Mexico. In the United States, it is typically referred to simply as a possum. It is a solitary and nocturnal animal about the size of a domestic cat. It is a successful opportunist. It is familiar ...more ↓
The desert cottontail (Sylvilagus audubonii), also known as Audubon's cottontail, is a New World cottontail rabbit, and a member of the family Leporidae. Unlike the European rabbit, they do not form social burrow systems, but compared with some other leporids, they are extremely tolerant of other individuals in their vicinity.
The brush rabbit (Sylvilagus bachmani), or western brush rabbit, or Californian brush rabbit, is a species of cottontail rabbit found in western coastal regions of North America, from the Columbia River in Oregon to the southern tip of the Baja California Peninsula. Its range extends as far east as the eastern sides of the Sierra Nevada and Cascade mountain ...more ↓
The black-tailed jackrabbit (Lepus californicus), also known as the American desert hare, is a common hare of the western United States and Mexico, where it is found at elevations from sea level up to 10,000 ft (3,000 m). Reaching a length around 2 ft (61 cm), and a weight from 3 to 6 lb (1.4 to 2.7 kg), the black-tailed jackrabbit is the third-largest North American ...more ↓
The western gray squirrel (Sciurus griseus) is an arboreal rodent found along the western coast of the United States and Mexico.
The fox squirrel (Sciurus niger), also known as the eastern fox squirrel or Bryant's fox squirrel, is the largest species of tree squirrel native to North America. Despite the differences in size and coloration, they are sometimes mistaken for American red squirrels or eastern gray squirrels in areas where the species co-exist.
Merriam's chipmunk (Neotamias merriami) is a species of rodent in the family Sciuridae. It is found in central and southern California. in the United States and a small area in northern Baja California, Mexico.
The California ground squirrel (Otospermophilus beecheyi), is a common and easily observed ground squirrel of the western United States and the Baja California Peninsula; it is common in Oregon and California and its range has relatively recently extended into Washington and northwestern Nevada. Formerly placed in Spermophilus, as Spermophilus beecheyi, it was ...more ↓
The white-tailed antelope squirrel (Ammospermophilus leucurus), is a diurnal species of ground squirrel, scientifically classified in the order Rodentia and family Sciuridae, found in arid regions of the southwestern United States and the Baja California Peninsula of northwestern Mexico.
Botta's pocket gopher (Thomomys bottae) is a pocket gopher native to western North America. It is also known in some sources as valley pocket gopher, particularly in California. Both the specific and common names of this species honor Paul-Émile Botta, a naturalist and archaeologist who collected mammals in California in the 1820s and 1830s.
The black rat (Rattus rattus), also known as the ship rat, roof rat, house rat, is a common long-tailed rodent of the genus Rattus (rats) in the subfamily Murinae. The species originated in tropical Asia and spread through the Near East in Roman times before reaching Europe by the 1st century and spreading with Europeans across the world.
The dusky-footed woodrat (Neotoma fuscipes) is a species of nocturnal rodent in the family Cricetidae. They are commonly called "packrats" or "trade rats" and build large, domed dens that can reach several feet in height. Coyotes and other predators will attempt to prey on these rodents by laying waste to the dens, but the sheer volume of material is usually dissuasive. ...more ↓
The big-eared woodrat (Neotoma macrotis) is a species of rodent in the family Cricetidae. A study of the species found the "Bear Canyon" virus, a mammarenavirus, traditionally associated with the California mouse, is actually passed by the big-eared woodrat before host-jumping to the California mouse.
The mule deer (Odocoileus hemionus) is a deer indigenous to western North America; it is named for its ears, which are large like those of the mule. The several subspecies include the black-tailed deer.
The bighorn sheep (Ovis canadensis) is a species of sheep native to North America named for its large horns. These horns can weigh up to 14 kg (30 lb), while the sheep themselves weigh up to 140 kg (300 lb). Recent genetic testing indicates three distinct subspecies of Ovis canadensis, one of which is endangered: O. c. sierrae. Sheep originally crossed to North ...more ↓
The gray whale (Eschrichtius robustus), also known as the grey whale, gray back whale, Pacific gray whale, or California gray whale is a baleen whale that migrates between feeding and breeding grounds yearly. It reaches a length of 14.9 meters (49 ft), a weight of 36 tonnes (40 short tons), and lives between 55 and 70 years. The common name of the ...more ↓
The common bottlenose dolphin (Tursiops truncatus), or Atlantic bottlenose dolphin, is the most well-known species from the family Delphinidae.
The short-beaked common dolphin (Delphinus delphis) is a species of common dolphin. It has a larger range than the long-beaked common dolphin (D. capensis), occurring throughout warm-temperate and tropical oceans, including the Indian Ocean although in smaller quantities than other places they are found. There are more short-beaked common dolphins than any other dolphin ...more ↓
The harbor (or harbour) seal (Phoca vitulina), also known as the common seal, is a true seal found along temperate and Arctic marine coastlines of the Northern Hemisphere. The most widely distributed species of pinniped (walruses, eared seals, and true seals), they are found in coastal waters of the northern Atlantic and Pacific Oceans and the Baltic and ...more ↓
The California sea lion (Zalophus californianus) is a coastal eared seal native to western North America. It is one of six species of sea lion. Its natural habitat ranges from southeast Alaska to central Mexico, including the Gulf of California. Sea lions are sexually dimorphic; males are larger than females, and have a thicker neck and protruding crest. They mainly haul-out on ...more ↓
The raccoon (/rəˈkuːn/ or US: /ræˈkuːn/ ( listen), Procyon lotor), sometimes spelled racoon, also known as the common raccoon, North American raccoon, northern raccoon,and colloquially as coon, is a medium-sized mammal native to North America. The raccoon is the largest of the procyonid family, having a body length of 40 to 70 cm (16 to 28 in) ...more ↓
The California mussel (Mytilus californianus) is a large edible mussel, a marine bivalve mollusk in the family Mytilidae.
The striped skunk (Mephitis mephitis) is a skunk of the genus Mephitis that is native to southern Canada, the United States and northern Mexico. It is currently listed as least concern by the IUCN on account of its wide range and ability to adapt to human-modified environments.
The bobcat (Lynx rufus) is a North American cat that appeared during the Irvingtonian stage of around 1.8 million years ago (AEO). Containing 12 recognized subspecies, it ranges from southern Canada to central Mexico, including most of the contiguous United States. The bobcat is an adaptable predator that inhabits wooded areas, as well as semidesert, urban edge, forest edge, and ...more ↓
The coyote (Canis latrans); from Nahuatl pronunciation (help·info)) is a canine native to North America. It is smaller than its close relative, the gray wolf, and slightly smaller than the closely related eastern wolf and red wolf. It fills much of the same ecological niche as the golden jackal does in Eurasia, though it is larger and more predatory, and is sometimes called the ...more ↓
The gray fox (Urocyon cinereoargenteus), or grey fox, is a carnivorous mammal of the family Canidae, widespread throughout northern and central America. This species and its only congener, the diminutive Channel Island fox (Urocyon littoralis), are the only living members of the genus Urocyon, which is considered to be the most basal of the living canids. ...more ↓
Cornu aspersum, known by the common name garden snail, is a species of land snail. As such it is a terrestrial pulmonate gastropod mollusc in the family Helicidae, which includes some of the most commonly familiar land snails. Of all terrestrial molluscs, this species may well be the most widely known. In English texts it was classified under the name Helix ...more ↓
Megastraea undosa, common name the wavy turban snail, is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails. This species is native to the coast of California.
The California mussel (Mytilus californianus) is a large edible mussel, a marine bivalve mollusk in the family Mytilidae.
The West Coast lady (Vanessa annabella) is one of three North American species of brush-footed butterflies known colloquially as the "painted ladies". V. annabella occurs throughout much of the western US and southwestern Canada. The other two species are the cosmopolitan Vanessa cardui (painted lady) and the eastern Vanessa virginiensis (American painted ...more ↓
Vanessa atalanta, the red admiral or previously, the red admirable,is a well-characterized, medium-sized butterfly with black wings, orange bands, and white spots. It has a wingspan of about 2 inches (5 cm). It was first described by Carl Linnaeus in his 1758 10th edition of Systema Naturae. The red admiral is widely distributed across temperate regions of ...more ↓
Vanessa cardui is a well-known colorful butterfly, known as the painted lady, or in North America as the cosmopolitan. This butterfly has a strange habit of flying in a sort of screw shape.
Nymphalis antiopa, known as the mourning cloak in North America and the Camberwell beauty in Britain, is a large butterfly native to Eurasia and North America.
The Gulf fritillary or passion butterfly (Agraulis vanillae) is a bright orange butterfly of the family Nymphalidae and subfamily Heliconiinae. That subfamily was formerly set apart as a separate family, the Heliconiidae. The Heliconiinae are "longwing butterflies", which have long, narrow wings compared to other butterflies. Gulf fritillary is the only member of ...more ↓
The monarch butterfly or simply monarch (Danaus plexippus) is a milkweed butterfly (subfamily Danainae) in the family Nymphalidae. Other common names depending on region include milkweed, common tiger, wanderer, and black veined brown. It may be the most familiar North American butterfly, and is considered an iconic pollinator species. Its ...more ↓
Celastrina echo, known generally as the echo azure or western azure, is a species of blue in the family of butterflies known as Lycaenidae. It is found in North America.
The western pygmy blue (Brephidium exilis or Brephidium exile) is one of the smallest butterflies in the world and the smallest in North America. It has reached Hawaii, as well as the Persian Gulf, including eastern Saudi Arabia, Bahrain and the United Arab Emirates. Upperside copper brown with dull blue at the bases of both wings. Underside of hindwing is copper brown ...more ↓
Phoebis sennae, the cloudless sulphur or cloudless giant sulphur, is a mid-sized butterfly in the family Pieridae found in the New World. There are several similar species such as the yellow angled-sulphur (Anteos maerula), which has angled wings, statira sulphur (Aphrissa statira), and other sulphurs, which are much smaller.
Pieris rapae, the small white, is a small- to medium-sized butterfly species of the whites-and-yellows family Pieridae. It is also known as the small cabbage white and in New Zealand, simply as white butterfly. The names "cabbage butterfly" and "cabbage white" can also refer to the large white. The butterfly can be distinguished by the white color with small ...more ↓
The western honey bee or European honey bee (Apis mellifera) is the most common of the 7–12 species of honey bee worldwide. The genus name Apis is Latin for "bee", and mellifera is the Latin for "honey-bearing", referring to the species' production of honey for the winter.
Gryllodes sigillatus, known commonly as the Tropical house cricket, Indian house cricket, or the banded cricket, is a small cricket probably native to Southwestern Asia, but has spread throughout tropical regions worldwide. Like its relative the House cricket, the Tropical house cricket is also raised commercially for feeding certain pets such as reptiles, ...more ↓
Allograpta obliqua is a common North American species of hoverfly. The larvae are important predators on aphids.
Pachygrapsus crassipes, known as the striped shore crab or lined shore crab, is a small crab found on rocky and hard-mud shores of the west coast of North to Central America and in the western Pacific in Korea and Japan. In North America, its range spans from Vancouver Island to Baja California, Mexico. The Asiatic population appears to not be invasive but endemic, ...more ↓
The purple sea urchin, Strongylocentrotus purpuratus, lives along the eastern edge of the Pacific Ocean extending from Ensenada, Mexico to British Columbia, Canada. This sea urchin species is deep purple in color, eggs are orange when secreted in water, and lives in lower inter-tidal and nearshore sub-tidal communities. January, February, and March function as the typical ...more ↓