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Archive for September 25, 2013

Canada Geese Migrating

9-25-13  migrating C. geese2 224This is the time of year when the honking of migrating Canada Geese can be heard as the familiar V-shape formation passes overhead. Many of these birds have a long, arduous migration and they need to conserve as much energy as possible. The V-formation that they fly in enables them to do so, in that it greatly boosts the efficiency and range of flying birds. Geese flying in a V-formation have slower heart beats than geese flying solo, and they can achieve a distance of 71% greater than single birds. The birds in front make this possible by enduring the most air resistance and, at the same time, improving the aerodynamics of the birds behind them by reducing the drag by up to 65 percent. The geese are constantly rotating positions in order to share “flight fatigue.”

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