Long-term continental changes in wing length, but not bill length, of a long-distance migratory shorebird

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dc.contributor.author Lank, D. B.
dc.contributor.author Xu, C.
dc.contributor.author Harrington, B. A.
dc.contributor.author Morrison, R. I. G.
dc.contributor.author Gratto-Trevor, C. L.
dc.contributor.author Hicklin, P. W.
dc.contributor.author Sandercock, Brett K.
dc.contributor.author Smith, P. A.
dc.contributor.author Kwon, Eunbi
dc.contributor.author Rausch, J.
dc.contributor.author Pirie Dominix, L. D.
dc.contributor.author Hamilton, D. J.
dc.contributor.author Paquet, J.
dc.contributor.author Bliss, S. E.
dc.contributor.author Neima, S. G.
dc.contributor.author Friis, C.
dc.contributor.author Flemming, S. A.
dc.contributor.author Anderson, A. M.
dc.contributor.author Ydenberg, R. C.
dc.date.accessioned 2017-11-30T21:40:23Z
dc.date.available 2017-11-30T21:40:23Z
dc.identifier.uri http://hdl.handle.net/2097/38315
dc.description Citation: Lank, D. B., Xu, C., Harrington, B. A., Morrison, R. I. G., Gratto-Trevor, C. L., Hicklin, P. W., . . . Ydenberg, R. C. (2017). Long-term continental changes in wing length, but not bill length, of a long-distance migratory shorebird. Ecology and Evolution, 7(9), 3243-3256. doi:10.1002/ece3.2898
dc.description.abstract We compiled a >50-year record of morphometrics for semipalmated sandpipers (Calidris pusilla), a shorebird species with a Nearctic breeding distribution and intercontinental migration to South America. Our data included >57,000 individuals captured 1972–2015 at five breeding locations and three major stopover sites, plus 139 museum specimens collected in earlier decades. Wing length increased by ca. 1.5 mm (>1%) prior to 1980, followed by a decrease of 3.85 mm (nearly 4%) over the subsequent 35 years. This can account for previously reported changes in metrics at a migratory stopover site from 1985 to 2006. Wing length decreased at a rate of 1,098 darwins, or 0.176 haldanes, within the ranges of other field studies of phenotypic change. Bill length, in contrast, showed no consistent change over the full period of our study. Decreased body size as a universal response of animal populations to climate warming, and several other potential mechanisms, are unable to account for the increasing and decreasing wing length pattern observed. We propose that the post-WWII near-extirpation of falcon populations and their post-1973 recovery driven by the widespread use and subsequent limitation on DDT in North America selected initially for greater flight efficiency and latterly for greater agility. This predation danger hypothesis accounts for many features of the morphometric data and deserves further investigation in this and other species. © 2017 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd.
dc.relation.uri https://doi.org/10.1002/ece3.2898
dc.rights Attribution 4.0 International (CC BY 4.0)
dc.rights.uri https://creativecommons.org/licenses/by/4.0/
dc.subject Allometry
dc.subject Calidris Pusilla
dc.subject Environmental Change
dc.subject Phenotypical Change
dc.subject Predation Risk
dc.subject Semipalmated Sandpiper
dc.title Long-term continental changes in wing length, but not bill length, of a long-distance migratory shorebird
dc.type Article
dc.date.published 2017
dc.citation.doi 10.1002/ece3.2898
dc.citation.epage 3256
dc.citation.issn 2045-7758
dc.citation.issue 9
dc.citation.jtitle Ecology and Evolution
dc.citation.spage 3243
dc.citation.volume 7
dc.contributor.authoreid bsanderc
dc.contributor.kstate Sandercock, Brett K.
dc.contributor.kstate Kwon, Eunbi


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