AZ Animals US on MSN
The Ten-Month Marathon: Meet the Bird That Lives Its Whole Life in the Clouds
Of all the marvels of the natural world, few are as astonishing as the common swift (Apus apus). These small birds spend ...
Birds do produce urine, but it doesn't come out the same way it does in humans. How birds pee may be an evolutionary adaptation that benefits flight. When you purchase through links on our site, we ...
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