Mating and Reproduction

River Otters mate in the late winter - early spring

Lifespan: 8-9 years in the wild, ~20 years in captivity 

Mating typically occurs in the water, but sometimes on land

Average litter size is 2-3, with a typical range of 1-6

9.5-12.5 month gestational period

Young female River Otters typically breed around 1-2 years old

Males breed anywhere from >2 years old