Found reports even of adult deer, and even moose. But they did need some advantages. Deer predation was noticeably lower during winters with less snow. Leading factors for moose hunting were things like:
* deep crusted snow that the prey couldn't run on top of, but the coyotes could
* steep (40-45 degrees) slopes (harder on large animals)
* dense tree cover (makes whirl and kicking less effective)
* deep crusted snow that the prey couldn't run on top of, but the coyotes could
* steep (40-45 degrees) slopes (harder on large animals)
* dense tree cover (makes whirl and kicking less effective)
* lack of deer