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knot |
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| Deftly illustrated to provide young readers with an invaluable guide through a beautiful bird's long and perilous journey, Red Knot maps the Red Knot's annual migration, and includes a collection of intriguing information and facts about Red Knots including its shorebird relatives, western hemisphere geography, bird banding information, and more. Wax switching came to scientific attention in 1999, when Theunis Piersma of the University of Groningen in the Netherlands and his colleagues described an abrupt seasonal shift in wax composition among sandpipers called red knots (Calidris canutus). Gulls, grackles, sandpipers, red knots and ruddy turnstones all stop for a two-week snack in the midst of their 10,000-mile trek from South America to northern Canada--"like marathon runners in search of bowls of pasta," says Perry Plumart, director of government relations for the National Audubon Society. |
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