The next 4-6 weeks is mating season for coyotes. Please do not let your dogs out alone. The outcome can be tragic as they can & will attack/kill your pets. Remember that Coyotes can take down a deer, so they could easily take down your dog. Coyote breeding typically peaks in late February and early March, the gestation period averages 58 to 63 days. Male coyotes can become more aggressive during this time of year, because of mating season. This puts all pets in danger so please keep and eye on your pets(all times) but during this time especially, they will even attack a larger dog because of mating season. Remember that male coyotes can reach 50+ lbs. and now there is talk about coywolf second picture is what they say a coywolf looks like.