加拿大雁
The male Canada goose usually weighs , averaging amongst all subspecies . The female looks virtually identical, but is slightly lighter at , averaging amongst all subspecies , and generally 10% smaller in linear dimensions than the male counterparts. The "honk" refers to the call of the male Canada goose, while the call refers to the female goose. The calls are similar, however, the is shorter and more high-pitched than the "honk" of males.