Kalman, Bobbie <br/><br/>
Why do animals migrate? / 
Bobbie Kalman 
 - St. Catherines, Ontario ; New York :   Crabtree Publishing Company,   2009. 
 - 32 pages :   colour illustrations ;   25 cm 
 - Big science ideas .
<br/><br/> When seasons change, it becomes difficult for some animals to stay in their habitats and they migrate to another habitat. 
<br/><br/>Includes index. 
<br/><br/>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? 
<br/><br/><label>ISBN: </label>9780778733034 
<br/><br/><label>Subjects--Topical Terms: </label>--Juvenile works--Animal behavior--Animal migration 
<br/><br/><label>Dewey Class. No.: </label>J 591. 568 KALM