weasels BioKIDS Critter Catalog BioKIDS Critter Catalog BioKIDS Critter Catalog BioKIDS Critter Catalog (source) (source) Ermine ermines hunt in a zigzag pattern BioKids: Ermine http://www.biokids.umich.edu/critters/Mustela_erminea/ ermines hunt in a zigzag pattern BioKIDS Critter Catalog