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North American River Otter (Lutra canadensis)
General Information
The river otter tends to travel in pairs and hang out in groups.
They are very playful animals. They enjoy mud/snow sliding and
burrowing through the snow. By "playing around" they build up
strength while still having fun. To keep in touch during all this
playing they whistle, growl, chuckle, and scream. The reproductive
patterns of these animals tend to occur in the spring. At this time
the female mates, but the fertilized eggs do not begin to develop
until the fall, this is called delayed implantation. There is
something within their body that allows this to occur. The babies
are born 10-12 months after the implantation. After the birth of the
young the male leaves and does not return until he is needed to care
for them. The babies are born blind, so they require much attention
from their mother for the first two months. Within a year they leave
their home to begin a home of their own. River otters live to be
about 15 years old in their natural habitat and about 20 years old
in captivity.
Habitat and Range
Canada and the United States, except for the tundra and arid
southwestern U.S., to Nova Scotia they live in lakes, streams, and
coastal marshes.
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