The finding sheds light on why the North American cousin of the dog and wolf, which is originally native to deserts and plains, is thriving today in urban areas.
Scientists with Ohio State University who genetically sampled 236 coyotes in the Chicago area over a six-year period found no evidence of polygamy -- of the animals having more than one mate -- nor of one mate ever leaving another while the other was still alive.
The rest of the story here. Read the article, it's actually pretty interesting.
I knew that, it's the same with coyotes everywhere. That's why when you kill one, you always blow a ki-yi call right away so it's mate will be drawn in by it - sounds just like that puppy you backed over last week. Yeah, so shoot one, blast a ki-yi or three and get back on the rifle and start scanning for the mate running in at full speed. You can pick up a double sometimes that way.
Downright heartbreaking, ain't it?