Trailer: Zombeavers (2013)

ZOMBEAVERS is an action-packed horror/comedy in which a group of college kids staying at a riverside cabin are menaced by a swarm of deadly zombie beavers. A weekend of sex and debauchery soon turns gruesome as the beavers close in on the kids. Riding the line between scary, sexy and funny, the kids are soon fighting for their lives in a desperate attempt to fend off the hoard of beavers that attack them in and around their cabin. From: IMDb.com