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Story summary
- Cook County wildlife officials warn that coyote activity rises during mating and whelping season, which lasts until May.
- Coyotes will be more visible and aggressive as they establish territories for their pups.
- Experts advise keeping cats indoors, especially at night, and supervising small dogs in yards.
- Coyote numbers can double during this season before returning to about 2,000 by winter.
