No obviously broken limbs. Cars tend to leave broken legs.

Not much blood, canines tend to drag and tear. Cats tend to eat and run. I'm not so sure about Lynx but Cougars will bury a carcass after initial dining and come back for another meal. What ever it was picked that rib cage clean.

Absolutely ordinary in nature, extraordinary in civilization. I'm sitting here trying to decide how I'd have handled small steps seeing it. Probably not as well as you.