Interesting Information About River Otters. They:
- can hold their breath for up to 8 minutes.
- spend two-thirds of the time on land and can run at a speed of 29 km/hour.
- have ears and nose with a special skin that closes and keeps them watertight underwater.
- have long strong guard hairs, which form the outer coat and protect the finer and denser under-fur of the body.
- are normally near-sighted above water.
- often use the senses of sound, touch and smell to communicate with each other.
- always clean themselves after having meals.
- Eyes of river otters have special lenses that aid in underwater vision.