Jack
Russells
are
only
about
12
inches
(30
cm)
tall.
Jack
Russells
are
mostly
white.
They
usually
have
tan,
brown,
or
black
spots.
A
Jack
Russell
needs
daily
exercise.
A
long
walk
or
jog
is
good.
Playing
fetch
is
another
way
to
exercise.
It
is
also
fun!
Jack
Russell
terriers
are
kind.
They
are
loyal
to
their
human
families.
Jack
Russells
are
also
very
smart.
However,
they
may
act
unkindly
to
other
dogs.
The
Jack
Russell
terrier
got
its
name
from
the
Reverend
John
Russell.
He
was
a
church
leader
who
loved
to
hunt
foxes.
Russell
began
breeding
working
fox
terriers
in
the
late
1800s.
He
bred
the
terriers
to
be
smart,
strong,
and
fast.



