Newspaper article Pittsburgh Post-Gazette (Pittsburgh, PA)

Migration

Newspaper article Pittsburgh Post-Gazette (Pittsburgh, PA)

Migration

Article excerpt

When you think about migration you might imagine a flock of geese flying in "V" formation. Some people may imagine grazing herds moving across the Serengeti. But there's more to the story of migration. Some animals undertake incredible journeys over thousands of miles. Others have a much shorter voyage.

The animal that makes the longest migration is the arctic tern. This small bird can fly more than 44,000 miles each year, zigzagging from the Arctic Circle to Antarctica. Scientists think the arctic tern makes this migration to take advantage of summer feeding grounds in the north and south. This means the arctic tern gets two summers every year.

Butterflies seem like delicate creatures, but the monarch butterfly migrates from Mexico to Canada each year. Monarchs spend the winter in mountain forests in Mexico. They then fly to Southern states like Texas where they lay eggs. The next generation continues the migration north, as far as Pennsylvania. …

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