a GRIZZLY BEAR WALKING ON GRASS — The **California grizzly bear** was designated the official State Animal in 1953.

California is probably one of the best places in the world to see wildlife. This state is one of the most ecologically diverse states in the U.S., home to everything from towering redwood forests to sun-soaked deserts and a dramatic Pacific coastline. The Channel Islands, a unique ecosystem, host endemic species like the island fox and bison. With this variety of landscapes comes an equally diverse array of California wildlife, from elusive mountain lions in the hills to bird native species inhabiting various ecological zones and elephant seals basking on coastal beaches. The Pacific Ocean, bounding the state’s western coast, supports diverse marine ecosystems crucial for wildlife, including various fish, seabirds, and marine mammals. Whether you’re a nature enthusiast or just curious about the animals of California, this guide will introduce you to some of the state’s most fascinating species, answer common questions, and highlight where to see them in the wild. The fauna de California is a testament to the state’s rich biodiversity.

1. Mountain Lion (Puma concolor)

Also known as cougars or pumas, mountain lions are solitary apex predators that roam California’s forests, hills, and deserts. These elusive big cats help regulate deer populations and maintain ecological balance. Despite being shy around humans, they can leap up to 40 feet in a single bound. They’re most active at dawn and dusk and are classified as Least Concern, although their populations are impacted by habitat loss and urban encroachment.

a Mountain Lion over a rock with moss on it — Mountain Lion | Ph Moose Henderson

2. California Condor (Gymnogyps californianus)

The California condor was once on the brink of extinction, but now it has made a slow comeback thanks to decades of conservation efforts. With a wingspan of nearly 10 feet, it’s the largest flying bird in North America. These scavengers can be found soaring above Big Sur, Pinnacles National Park, and the remote canyons of Southern California. Critically endangered, the species remains under close protection and monitoring.

3. California Sea Otter (Enhydra lutris nereis)

These charismatic marine mammals are often spotted floating on their backs along California’s central coast, particularly around Monterey Bay and Morro Bay. Sea otters play a vital role in maintaining healthy kelp forests by preying on sea urchins. Threatened by pollution and oil spills, they are a conservation success story, having rebounded from the brink of extinction.

a California Sea Otter on a river holding a shell in its hands — California Sea Otter | Photo Kara Capaldo

4. Desert Tortoise (Gopherus agassizii)

The slow-moving desert tortoise thrives in the harsh conditions of the Mojave and Sonoran Deserts. These reptiles spend much of their life underground to escape extreme heat and can live for up to 80 years. Listed as threatened, they face pressure from habitat loss, vehicle strikes, and climate change. Joshua Tree National Park is one of the best places to glimpse them in the wild.

Desert Tortoise in its habitat — Desert Tortoise | Getty Images

5. Tule Elk (Cervus canadensis nannodes)

Found only in California, tule elk once teetered on the edge of extinction but now roam protected grasslands and wetlands like Point Reyes National Seashore and the Central Valley. They are the smallest subspecies of North American elk and are notable for their elegant antlers and seasonal migrations. Conservation efforts have helped restore populations across the state.

a tule elk walking on grass — Tule Elk | Photo: Porsche Herskon

6. San Joaquin Kit Fox (Vulpes macrotis mutica)

This small, nocturnal fox is native to California’s Central Valley and is specially adapted to arid environments. It uses underground dens to avoid daytime heat and obtains most of its moisture from prey like insects and rodents. Listed as endangered due to extensive habitat loss, the San Joaquin kit fox is now a flagship species for Central Valley conservation.

Three San Joaquin Kit Foxes sitting on a bushy tree — San Joaquin Kit Fox | Getty Images

7. Gray Whale (Eschrichtius robustus)

Gray whales were also once on the brink of extinction. These whales undertake one of the longest migrations of any mammal, traveling 10,000–12,000 miles annually between Alaska and Baja California. From December to April, they can be seen from the California coast, particularly at whale-watching hotspots like Point Reyes, Mendocino, and San Diego. These gentle giants are a spectacular example of California’s marine life.

a gray whale on the surface of the water — Gray Whale | photo Cesar Medina

8. Roosevelt Elk (Cervus canadensis roosevelti)

The largest subspecies of North American elk, Roosevelt elk inhabit the lush forests of Northern California, especially in Redwood National and State Parks. Bulls can weigh over 1,000 pounds and are known for their bugling calls during the fall rut. Once overhunted, their populations have rebounded thanks to protected habitats and ongoing conservation.

a Roosevelt Elk in the bush — Roosevelt Elk | Photo: Hadel Productions

9. California Quail (Callipepla californica)

The official state bird of California, this plump, ground-dwelling bird is recognized by its distinctive head plume and social behavior. Found in chaparral, woodlands, and suburban gardens, California quails form coveys and communicate with signature “chi-ca-go” calls. They're a symbol of the state’s natural heritage and remain common across much of California.

California Quail standing over a piece of wood — California Quail | Getty Images

10. Black Bear (Ursus americanus)

The American black bear is the only bear species currently living in California, primarily found in forested regions like the Sierra Nevada and northern coastal ranges. Despite their name, they can range in color from black to brown or cinnamon. Omnivorous and highly adaptable, black bears are classified as Least Concern but are increasingly affected by human-wildlife conflicts.

a Black Bear eating grass — Black Bear | Canva images

11. Acorn Woodpecker (Melanerpes formicivorus)

This sociable and noisy woodpecker is known for storing thousands of acorns in “granary trees,” often in perfectly drilled holes. Common in oak woodlands throughout California, they live in large family groups and exhibit complex cooperative breeding behavior. Their black-and-white plumage and bright red crown make them easy to spot.

a Acorn Woodpecker standing over a tree branch — Acorn Woodpecker | Photo Harry Collins

12. Northern Spotted Owl (Strix occidentalis caurina)

A shy, nocturnal raptor that depends on old-growth forests, the northern spotted owl is an indicator species for forest health in Northern California. Habitat destruction from logging has led to a steep population decline, and competition from invasive barred owls poses an additional threat. The species is listed as Threatened under the Endangered Species Act.

a Northern Spotted Owl on a tree — Northern Spotted Owl | Getty Images

13. Pacific Fisher (Pekania pennanti)

This secretive member of the weasel family roams the dense coniferous forests of the Sierra Nevada and northern coast. Despite their small size, Pacific fishers are formidable predators that even hunt porcupines. Threatened by habitat fragmentation, they’re the focus of multiple reintroduction and habitat restoration efforts.

a Pacific Fisher laying on the snow — Pacific Fisher | Getty Images

14. Elephant Seal (Mirounga angustirostris)

Massive and noisy, northern elephant seals haul out on beaches from central to southern California, including Año Nuevo and Piedras Blancas, to breed and molt. Males can weigh up to 5,000 pounds and engage in dramatic fights for mating rights. Once hunted to near extinction, they now number over 200,000 and are protected by law.

Male Southern Elephant Seal on the beach opening its miuth — Male Southern Elephant Seal | Jeremy Richards

15. San Francisco Garter Snake (Thamnophis sirtalis tetrataenia)

Arguably the most beautiful snake in North America, this endangered garter snake sports vivid red, blue, and black stripes. It is endemic to the San Francisco Peninsula, where it depends on wetland habitats and a diet of Pacific tree frogs. Due to urban development, it remains one of the rarest and most threatened reptiles in California.

a San Francisco Garter Snake over a trunk — San Francisco Garter Snake | Photo: Jan J Brand

16. Bighorn Sheep (Ovis canadensis)

The bighorn sheep is a majestic, hooved mammal that roams the rugged mountainous regions of California, including the Sierra Nevada and the San Jacinto Mountains. These impressive animals are well-adapted to their rocky habitats, boasting flexible hooves and a sure-footed gait that allows them to navigate steep and treacherous terrain with ease.

Bighorn sheep are herbivores, feeding on a diverse diet of grasses, shrubs, and trees. They are social creatures, often found in small herds led by a dominant female. These herds provide safety in numbers and help the sheep navigate their challenging environment.

Listed as a species of special concern by the California Department of Fish and Wildlife, bighorn sheep face threats from habitat loss and disease. Conservation efforts, including the establishment of protected areas and the reintroduction of captive-bred animals, are crucial to their survival. These efforts aim to preserve the bighorn sheep’s habitat and ensure their continued presence in California’s wild landscapes.

a Bighorn Sheep in the forest — Bighorn Sheep | Photo David Ashworth

The Largest Mammal in California

The largest land mammal currently in California is the American Black Bear, which can weigh up to 600 pounds. However, the largest marine mammal is the Blue Whale (Balaenoptera musculus), which can grow up to 100 feet long and is frequently seen off the California coast during migration.

California’s Diverse Ecosystems and Their Wildlife

California’s landscapes vary dramatically, from dense forests to dry deserts. Here’s a look at some of the ecosystems and the California animals that call them home:

Coastal and Marine Ecosystems

Sea Otters, Elephant Seals, Gray Whales, and California Sea Lions thrive along the state’s shores. The Californian coast is home to diverse marine wildlife.
Tidepools are home to sea stars, anemones, and crabs.
San Francisco Bay is home to unique wildlife habitats, including protective estuaries that serve as vital feeding and breeding grounds for migratory and resident bird species, including several endangered birds.

Redwood and Mixed Conifer Forests

Black Bears, Roosevelt Elk, and Northern Spotted Owls can be found in the towering redwoods of Northern California. Conspicuous birds like the blue-fronted jay and mountain chickadee stand out in the Canadian zone, showcasing the unique avian life corresponding to different climate zones in California.

Deserts (Mojave, Sonoran, and Great Basin)

Desert Bighorn Sheep, Kangaroo Rats, and Desert Tortoises have adapted to the arid climate.
The Mojave Desert is home to unique wildlife.
Coyotes and Bobcats are often spotted near Joshua Tree National Park.

Sierra Nevada Mountains

Mule Deer, Wolverines, and Pikas navigate rocky slopes and alpine meadows.
Golden Eagles and Clark’s Nutcrackers soar above the mountain peaks.

Where to See Wildlife in California

If you’re hoping to encounter wildlife in California, the state's national parks are ideal destinations for observing nature and wildlife in their natural habitats. Here are some top spots:

Point Reyes National Seashore – Best for spotting elephant seals, bobcats, and tule elk.
Monterey Bay – Ideal for whale watching and sea otter sightings.
Yosemite National Park – Home to black bears, mule deer, and gray foxes.
Joshua Tree National Park – Look for desert tortoises, bighorn sheep, and rattlesnakes.
Redwood National Park – A sanctuary for Roosevelt elk and marbled murrelets.

Conservation Challenges & Efforts for Endangered Species

Despite its rich biodiversity, California’s wildlife faces challenges:

Habitat Loss: Urban development threatens ecosystems.
Wildfires: Increased fires impact species like the spotted owl.
Climate Change: Rising temperatures disrupt migration patterns.
Poaching & Illegal Wildlife Trade: Species like the desert tortoise suffer from illegal collection.

Conservation groups like the California Department of Fish and Wildlife (CDFW) and National Park Service work to protect these species through habitat restoration and wildlife corridors.

Protecting California’s Wildlife

California’s wildlife is as diverse as its landscapes, from the Northern California animals of the redwoods to the wild animals in California's deserts and mountains. While the state has made great strides in conservation, continued efforts are needed to ensure that future generations can marvel at these incredible species. Whether you’re hiking through a national park or spotting sea otters along the coast, take the time to appreciate and protect the animals of California.

The Animals of California: A Guide to the State’s Iconic Wildlife