Coyote attacks on dogs, cats and humans have increased within the past 5 years nationwide. Researchers are seeing increasingly bold coyote behaviors, including: In suburban areas, coyotes can lose their fear of humans because of the abundant food resources provided. Unfortunately, their food supply may include family pets. Household garbage, dog food, and available water from ponds and landscape are also to blame. Intentional feeding of coyotes by residents is another problem.