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2006-11-13 11:46:36 · 4 answers · asked by Joshua B 1 in Science & Mathematics Zoology

4 answers

1. don't have to walk
2. frequent flyer miles
3. if they couldn't fly they couldn't reach their nests

2006-11-13 11:57:48 · answer #1 · answered by Anonymous · 0 0

1. Escape from predators
2. Migrate to warmer climates
3. Access to food and water that is far away.

2006-11-13 13:41:56 · answer #2 · answered by Anonymous · 1 0

Predator avoidance is one big one.

2006-11-13 11:48:39 · answer #3 · answered by Anonymous · 0 0

SAFETY
FOOD SUPPLY
WATER

2006-11-13 11:48:42 · answer #4 · answered by cork 7 · 0 0

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