One by one, wearing matching outfits in different colors, the 4-year-old Clayton triplets tried to trot like white-tailed deer. It’s tricky — left hand, right foot. Right hand, left foot. Their success was limited, but their enthusiasm wasn’t. The trio of girls — Fiona, Amelia and Madeline — moved right along to their next challenge, which entailed hopping like a snowshoe hare.