As their population grows worldwide, the birds are destroying the habitat of other waterfowl.

Hundreds of dead snow geese have washed up on the shores near Cambridge Bay, Nunavut, and it may be some time before officials figure out what caused them to die. David Bird, an emeritus professor of wildlife biology and ornithologist at McGill University, said that while it's impossible to do anything but speculate until tissue analysis is conducted on the dead geese, it's likely that the birds died of disease.