Usually very light; Below twenty pounds at an average.
because jack russells are good at pest control
None, Jack Russells are dogs, they have puppies not babies.
yes i have 2 jack russells and both of them have webbed feet.
no they are from England
dobermens
No.
water
mammal
no they are hyperactive
you mean breed right
Jack Russell Terriers do not stop shedding. Period.
They are hyper because its thier nature