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The Influence of Daylength on Reproductive Timing in the Red Crossbill

Harrison B. Tordoff and William R. Dawson
The Condor
Vol. 67, No. 5 (Sep. - Oct., 1965), pp. 416-422
DOI: 10.2307/1365634
Stable URL: http://www.jstor.org/stable/1365634
Page Count: 7
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The Influence of Daylength on Reproductive Timing in the Red Crossbill
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