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Selection on Heritable Phenotypic Plasticity in a Wild Bird Population
Daniel H. Nussey, Erik Postma, Phillip Gienapp and Marcel E. Visser
New Series, Vol. 310, No. 5746 (Oct. 14, 2005), pp. 304-306
Published by: American Association for the Advancement of Science
Stable URL: http://www.jstor.org/stable/3842658
Page Count: 3
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Theoretical and laboratory research suggests that phenotypic plasticity can evolve under selection. However, evidence for its evolutionary potential from the wild is lacking. We present evidence from a Dutch population of great tits (Parus major) for variation in individual plasticity in the timing of reproduction, and we show that this variation is heritable. Selection favoring highly plastic individuals has intensified over a 32-year period. This temporal trend is concurrent with climate change causing a mismatch between the breeding times of the birds and their caterpillar prey. Continued selection on plasticity can act to alleviate this mismatch.
Science © 2005 American Association for the Advancement of Science