Kalman, Bobbie.

Why do animals migrate? / Bobbie Kalman. - New York : Crabtree, c2009. - 32 p. : col. ill. ; 25 cm. - Big science ideas . - Kalman, Bobbie. Big science ideas. .

Includes index.

Where do animals live? -- Seasons change -- Leaving winter behind -- Birds that migrate -- Flying from pole to pole -- Tiny wings fly far -- Migration in the north -- Looking for fresh grasses -- Elephants on the move! -- Migrating to lay eggs -- Alligators on land -- Sea turtle journeys -- Migrating whales -- How do they know?

When seasons change, it becomes difficult for some animals to stay in their habitats and they migrate to another habitat.

ISBN: 9780778733034 (pbk. : alk. paper) 9780778732839 (reinforced library binding : alk. paper) 0778733033 (pbk. : alk. paper) 0778732835 (reinforced library binding : alk. paper)

LCCN: 2009008009

Nat. Bib. Agency Control No.: 20099012561 014864520

Subjects--Topical Terms:
Animal migration.

LC Class. No.: QL754 / .K35 2009

Dewey Class. No.: 591.56/8