Highflying Geese Save Energy By Swooping Like A Roller Coaster

Bar-headed geese tend to follow the sharp ups and downs of the Himalayas as they migrate, research finds.

The bar-headed goose is famous for its long, annual migration from the Indian subcontinent to central Asia, a flight that takes it over snowcapped Himalaya Mountains so high and dangerous that human climbers struggle just to stay alive.

Read more at NPR: http://www.npr.org/2015/01/15/377321027/highflying-geese-save-energy-by-swooping-like-a-roller-coaster

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