A World on the Wing: The Global Odyssey of Migratory Birds–A Book Review
10,000 Birds
APRIL 6, 2021
192) from the timing of seasons to the ferocity of weather to the shape of breeding, wintering, and stopover habitat to even the size of birds themselves. Research has also shown that migrant birds have smaller brains than resident birds but grow more neurons, which deal with spatial information, before they migrate.
257 
Let's personalize your content