it's definitely not terribly uncommon to hear about a deer or an elk falling through ice and needing rescuing in Colorado; it is, however, rare for so many perish at one scene.
Joe Rogan was joined by outdoors expert Cliff Gray on a recent episode of his podcast where the pair discussed the issues regarding reintroducing wolves to Colorado.
In what I can only assume was an attempt to discover the joy of soup at the end of winter, a Colorado mountain lion, presumably, tried to eat a man's head while he was soaking with his wife:
It's the time of year when temperatures fluctuate, causing ponds and lakes to look safer than they really are. Of course, elk cannot read signs to stay off the water.