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Quirks and Quarks | Mar 10, 2012 | 8:45
Two Birds, One Stone-qq6-Mar 10, 2012
A decline in the Willow Ptarmigan population is resulting in a subsequent decline in its main predator, the gyrfalcon.
Quirks and Quarks | Mar 10, 2012 | 8:45
A decline in the Willow Ptarmigan population is resulting in a subsequent decline in its main predator, the gyrfalcon.
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