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Q&A · Hunting

Are Ground Squirrels Active Year-Round In California?

April 5, 2026

Quick Answer

Ground squirrels in California are not active year-round. Their activity level and population density vary based on factors like season, food availability, and weather conditions.

Ground Squirrel Activity Patterns in California

Ground squirrels typically hibernate during the winter months (October to March) when food is scarce and temperatures are low. During this period, their heart rate slows down, and their metabolism decreases to conserve energy. In California, the winter hibernation period is usually around 4-5 months.

Ground Squirrel Behavior and Habitats

As the weather warms up in spring (April to May), ground squirrels emerge from hibernation and begin to forage for food. They are most active during the spring and fall when food is abundant, and temperatures are mild. In California, the peak breeding season for ground squirrels is in May and June. Female ground squirrels typically give birth to 2-7 young per litter, and the kits (baby ground squirrels) are born after a gestation period of around 22-24 days.

Hunting Ground Squirrels in California

For those interested in hunting ground squirrels in California, the best time to hunt is during the peak breeding season (May and June) or during the fall when the population is most active. Ground squirrels are most active during the early morning and late afternoon when temperatures are cooler. It’s essential to note that ground squirrels are protected in some areas, and hunters must obtain the necessary permits and follow local regulations when hunting.

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