They guard the border to Canada (along with some Mounties and a Moose) and will begin to fight off zombies in the final seconds before the player's party is permitted to pass the border and meet the Prime Minister of Canada.
Someone has filled your car full of hockey sticks! This must be some sort of CANADA DAY prank!
Something stirs in the giant nest of hockey sticks. A large rodent pokes its head out of the pile.
Beaver joins the team!
Onward to Canada!
Beaver was finally a free animal again, and vanished into the wilderness.