Quick Answer
California has an estimated 30,000-40,000 black bears, found primarily in the Sierra Nevada, Cascade Range, and Coast Ranges. Bears are entering suburban areas more frequently. Signs of bear activity include: large tracks (4-5 inches wide), claw marks on trees, overturned garbage cans, and damaged bird feeders. To deter bears: secure garbage in bear-proof containers, remove bird feeders in spring/summer, clean grills after use, and never leave pet food outside.
California Black Bear Yard Guide
Black bears are the only bear species in California. They are generally not aggressive toward humans but can cause significant property damage when they become habituated to human food sources. Understanding bear behavior and taking preventive measures is the best way to avoid conflicts.
Black Bear Identification
| Feature | Black Bear | Grizzly Bear (not in CA) |
|---|---|---|
| Size | 150-350 lbs (males), 100-200 lbs (females) | 400-700 lbs |
| Color | Usually black, sometimes brown or cinnamon | Brown with silver-tipped (grizzled) fur |
| Shoulder Hump | No prominent hump | Prominent muscular hump |
| Face | Straight profile, pointed snout | Dished face, shorter snout |
| Claws | Short, curved (2 inches) | Long, straight (3-4 inches) |
| Range | Sierra Nevada, Cascades, Coast Ranges | Not present in California |
Signs of Bear Activity
| Sign | What to Look For |
|---|---|
| Tracks | Large, 4-5 inches wide, 5 toes, claw marks visible |
| Scat | Large piles, often containing berries, nuts, or garbage |
| Claw marks | On trees, fences, decks (vertical scratches) |
| Torn garbage | Garbage cans tipped over, contents scattered |
| Damaged bird feeders | Feeders torn down, destroyed |
| Scratched doors/windows | Bears trying to enter homes |
Bear Deterrence Checklist
- Store garbage in bear-proof containers or in a garage/shed until pickup day
- Remove bird feeders from April through November
- Clean grills and barbecue areas after each use
- Never leave pet food or water bowls outside
- Pick up fallen fruit from trees immediately
- Secure compost piles (bears are attracted to food scraps)
- Install motion-activated lights and sprinklers
- Keep garage doors closed
What to Do If You See a Bear in Your Yard
- Stay calm and do not approach
- Bring children and pets inside
- Make loud noises from a safe distance (bang pots, yell)
- Do not corner the bear — always leave an escape route
- Do not run (bears can run 35 mph)
- If the bear does not leave, call the California Department of Fish and Wildlife
FAQ: California Black Bears
Are California black bears dangerous?
Black bears are generally not aggressive toward humans. Most encounters end with the bear fleeing. However, a bear that has become habituated to human food can be dangerous. Never approach a bear.
When are bears most active in California?
Bears are most active from April through November. They are most active at dawn and dusk. In winter, they enter a state of dormancy (not true hibernation) in dens.
💡 Looking for professional help? Compare quotes from top-rated Lawn & Garden Care Pros and get free estimates from local pros.
Sources: US Fish and Wildlife Service, USDA Wildlife Services, state wildlife agencies, CDC, academic extension services. This guide is for informational purposes only and does not constitute professional wildlife management advice.