Passenger pigeon population had booms and busts
Humans made it hard for the birds to recover from hard times
By Susan Milius, 18:27 PM June 19, 2014
Passenger pigeons, so abundant during the early 19th century that skies darkened with passing flocks, may often have been nothing special in numbers during much of their last million years.
DNA from the extinct species, coaxed from toe pads of three museum specimens, suggests that population numbers fluctuated in the long term. The breeding population could have been at times only roughly several hundred thousand or even just tens of thousands of birds, says Chih-Ming Hung of National Taiwan N...
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