Explore River Otter, Baby Animals, and more!

Serious otter

You are getting sleepy. you are getting very sleepy.

Clara and their children gave me the valuable data on the metabolism of Mesurakko of raising children and during pregnancy (Photo by Joe Tomoleoni)

Energetic cost of rearing a pup seen in soaring metabolic rate of sea otter mom

otter tools

Other forms of animal ingenuity have been observed in sea otters, who use rocks to open shells.