Muskrats
have
large
heads.
They
have
thick
fur.
The
fur
has
two
layers.
The
bottom
layer
traps
air.
This
keeps
the
muskrats
warm.
It
also
helps
them
float.
Muskrats
usually
live
in
marshes
or
swamps.
They
also
live
in
lakes
and
rivers.
Muskrats
build
nests
from
plants
and
mud.
They
also
dig
burrows.
Muskrats
mostly
eat
plants.
They
eat
grass
and
cattails.
Sometimes
they
eat
fish
or
crayfish.
If
there
is
not
much
food,
they
eat
the
inside
of
their
nests.
Female
muskrats
have
one
to
three
litters
of
babies
each
year.
Baby
muskrats
live
with
their
parents
in
a
nest
or
burrow.
Muskrats
live
for
approximately
three
years
in
the
wild.



