STAGE 3

its chin, and a brown body. Extremely adept at living in human-altered areas, Canada geese have established breeding colonies in urban and cultivated habitats, which provide food and few natural predators. The success of this common park species has led to it often being considered a pest species. This is because of its excrement, its depredation of crops, its noise, its aggressive territorial behavior toward both humans and other animals, and its habit of stalking and begging for food. The last is a result of humans disobeying artificial feeding policies toward wild animals. The black head and neck with a white "chinstrap" distinguish the Canada goose from all other goose species except the cackling goose and barnacle goose. (The latter, however, has a black breast and gray rather than brownish body plumage.) Some Canada geese come with a pepper-spotted or brown neck with brown plumage, and these are assumed to be a leucistic variety. On occasion, individuals with dark cheeks, white foreheads or white necks may be seen.