Question

2. Some birds migrate from one place to another. What are these birds called? Why do the birds migrate? ​

Answer 1

Explanation:

Birds migrate to move from areas of low or decreasing resources to areas of high or increasing resources. ... These can include the vast majority of North American bird species such as vireos, flycatchers, ruby-throated hummingbirds, ducks, geese, swans, tanagers, Blackburnian Warblers, orioles, Arctic Terns and swallows.