Deer, Elk, Bison, fox, squirrel, Bobcat/Lynx, Grosbeak, Crow, Raven, California Scrub Jay, Steller’s Jay, Rabbit, "Camp Robber" both Canada Jay and Rocky Mountain Jay, Moose, Prong Horn Antelope, and many small songbirds like Wren, Sparrow, etc.
If you count fly-over I could include lots of different Ducks and Geese.
Does this include sand skiing and other “oddities”? If so, the list gets much longer and includes Blue Whales and Jelly Fish, Shellfish, etc.
And what about off-season on the slopes? Since I occasionally ski on my street does that mean I can claim all the animals I see during the year in my area? If so add Pheasant, Coyote, Raccoon, Opossum, and a whole new crop of birds.
Skiing in Jackson Hole/Yellowstone and sand skiing on the Oregon Coast bagged most of the more interesting ones.
To see animals you need to be up at night or early morning.