Animal Lives Animals face many challenges in their lives From the moment they are old enough to look after themselves they have to work hard to survive They must search for food They need to escape from hungry predators They have to find or make safe homes so they can shelter from the weather and hide from danger When they become adults animals must attract mates so they can have young Some animals travel to faraway breeding grounds to have their young After they hatch or are born many young need to be protected and cared for until they too are old enough to survive on their own To face the challenge to survive southern bluefin tuna swim to the Indian Ocean to have their
Migration Many animals move to a new place during their lives This movement is called migration Some animals migrate every year in the spring and fall Other animals migrate only once in their lives Animals migrate to find mates or to have young They might also migrate to escape cold or wet weather or to find food and water Different ways to Migrate Land animals migrate by walking or running across the land Birds fly over land or water and fish turtles and whales swim across seas and oceans Migrating animals use different senses to find their way Some look at the position of the sun or stars some remember smells and others remember landmarks such as mountains Did You Know In this book you will find out about I birds that walk up mountains I fish that swim up rivers I lobsters that march toward deep water I birds that fly 6 835 miles 11 000 km nonstop African bush elephants migrate to find food and
World Map Migration Route Arctic Tern Arctic terns are birds that move from the Arctic to the Antarctic and back again each year This is the longest known migration of any bird Arctic terns migrate north to the Arctic to breed in the northern summer They can catch fish for their young 24 hours a day because the sun does not set in the Arctic in the northern summer The Arctic Breeding ground Food stop EUROPE a NORTH AMERICA Atlantic Ocean AFRICA SOUTH AMERICA At the end of the northern summer Arctic terns migrate south to the Antarctic They stop to feed in the North Atlantic Ocean then continue to migrate south Feeding ground
A migration route shows the path taken by a migrating animal 0 Arctic terns migrate north to the Arctic again at the end of the southern summer Some of these birds fly more than 49 710 miles 80 000 km each year Key Southern migration Northern migration ASIA AUSTRALIA In the southern summer Arctic terns live in the Antarctic They can catch fish 24 hours a day because the sun does not set in the Antarctic in the southern summer The Antarctic ANTARCTICA