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Aker, Don, 1955-

Winging it / by Don Aker and Samuel Roberts. - Don Mills, Ont. : Pearson Education Canada, c2005. - 40 p. : col. ill. ; 24 cm. - Reaching readers. Information texts. .

Includes index. "Guided reading level: V-W" --Cover p. [4]. "DRA level: 50" --Cover p. [4]. "Content area: Science : life systems" --Cover p. [4]. "Text type: Explanation" --Cover p. [4].

0131209108 9780131209107

20060165596


Birds--Ecology.
Birds--Evolution.

428.6