1. Bird Migration By Shobana Subramanian

2. What is It? Bird migration is the seasonal movement of bids from place to place. This is different from random movement of birds. Factors that influence random movement are: - food availability - weather - habitat

4. Do All Birds Migrate? NO!!!! Many species of birds do migrate but not all do. Birds that do not migrate are said to be resident or sedentary.

5. Why Do They Migrate? Some birds migrate to warmer places in order to breed. - longer days in summer means more time for the breeding birds to feed their young.

6. How Does It Work?