To get to enough food to keep warm. After the continents spreaded the distance slowly got larger.
they migrate
north America
They're not nocturnal, but they can stay up late at night and have been known to migrate at night if necessary.
You mean why does the Canadian good migrate? Change of weather, reproduction, food needs, and natural migratory bird.
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The Canada Goose is important because it is a native bird. Like the loon, they play an important role in Canada's tourism industry. They are seen all around Canada, as they migrate to Canada every spring to lay their eggs. We respect them because even though they are not our national bird, they are treated as if they were.
Yes, the northern part of the snow goose's winter range is in southern New Mexico. They also migrate through the state in the spring and fall migration; they may or may not stop during this journey. Other bands of snow geese winter in other parts of the U.S. and further south but migrate through separate flyways. See : http://identify.whatbird.com/img/4/2808/image.aspx for a range map.
artic tern siberiancrane, peacock, crow, goose artic tern siberiancrane, peacock, crow, goose
goose
The singular possessive for "goose" is "goose's."
goose's
goose in french is oie