Past climate change pushed birds from the northern hemisphere to the tropics
Researchers have shown how millions of years of climate change affected the range and habitat of modern birds, suggesting that many groups of tropical birds may be relatively recent arrivals in their equatorial homes.
from Latest Science News -- ScienceDaily http://bit.ly/2WzGHE3
from Latest Science News -- ScienceDaily http://bit.ly/2WzGHE3
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