Explains how animals use natural light, scent, and the Earth's magnetic field to find their way when they migrate, discusses the effects of humans on migration patterns, and describes walrus migration as an example of the process.
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Anbieter: Recycled Books & Music, Milwaukee, WI, USA
Hardcover. Zustand: Very Good Plus. Zustand des Schutzumschlags: No Dust Jacket. First Edition. 24pp. Library binding, but no library markings. Boards have a slight bend. Spine head is slightly bumped. Text is unmarked. 9780836884166. Bestandsnummer des Verkäufers 33951
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