Xen- (prefix): Foreign or other. As in: 1  Xenoantigen -- An antigen that is found in more than one species.  Xenograft -- A surgical graft of tissue from one species to an unlike species, genus or family.
Diet. Snow Geese feed almost exclusively on plant material. During the breeding season, they eat many seeds, leaves, and roots of aquatic vegetation. The very young birds feed on invertebrates. Berries become more important in the fall. In winter, waste grain from agricultural fields has become a primary food source.
Spring snow goose hunting in Saskatchewan, Canada is a great opportunity for waterfowl hunters. Every spring when the ducks and geese return to Saskatchewan the lakes and fields are filled with birds and it makes waterfowl hunters happy! If only we didn't have to wait for fall hunting season to roll around again.