A Haast’s eagle attacks a moa pair. John Megahan, PLOS Biology, 3(1): e20 via Wikipedia under CC By 2.5 Evolution has a fondness for big birds. During the past 66 million years, repeated on different ...
Northern cardinals, blue jays, American robins, and house sparrows are common birds in North American cities. These small, aerodynamic creatures soar through the sky and sing to one another from their ...
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