Calls overhead from Canada geese flying in a V-shape signal the change to spring and autumn.

Ducks, Geese and Grebes · day 5 of 7
Large groups fly in a V-shaped formation.
From the moment they hatch, goslings can walk, swim and feed themselves.
Adults lose their flight feathers for 20 to 40 days.
The hrink is the female's call, shorter and higher pitched than the male's honk.
A small flock was found wintering in Minnesota in 1962.
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