These
cute
____________________
make
their
home
off
the
____________________
of
the
northeastern
U
.
S
.
and
____________________
.
They
live
in
colonies
ranging
from
hundreds
to
hundreds
of
thousands
.
Although
it
has
a
large
population
,
the
species
has
____________________
rapidly
,
at
least
in
parts
of
its
range
,
resulting
in
it
being
rated
as
vulnerable
At
sea
,
the
bird
swims
on
the
surface
and
feeds
mainly
on
____________________
,
which
it
catches
by
diving
under
____________________
,
using
its
wings
for
pushing
itself
.