Otter Pups Swim on Their Own After Month-Long Training

Oregon Zoo’s river otter pups were swimming smoothly on their own as seen in a video published on May 15.The zoo said pups Nellie and Tucker “have graduated from otter swim school” around a month after they started to take the plunge with the help of their mother, Tilly.Despite being naturally buoyant, otter pups need help learning to swim.