They're roughly the same size as Canadian Geese, but they tend to run in larger groups. I've never had problems with them being aggressive though, unlike geese.

They're roughly the same size as Canadian Geese, but they tend to run in larger groups. I've never had problems with them being aggressive though, unlike geese. An angry goose once knocked my bike into a ditch when I didn't swerve far enough away for his liking.