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Body shrinkage due to Arctic warming reduces red knot fitness in tropical wintering range
journal contribution
posted on 2016-05-13, 00:00 authored by J A Van Gils, Simeon LisovskiSimeon Lisovski, T Lok, W Meissner, A Ozarowska, J De Fouw, E Rakhimberdiev, M Y Soloviev, T Piersma, Marcel KlaassenMarcel KlaassenConsequences conferred at a distance
Migratory animals have adapted to life in multiple, sometimes very different environments. Thus, they may show particularly complex responses as climates rapidly change. Van Gils
et al.
show that body size in red knot birds has been decreasing as their Arctic breeding ground warms (see the Perspective by Wikelski and Tertitski). However, the real toll of this change appears not in the rapidly changing northern part of their range but in the apparently more stable tropical wintering range. The resulting smaller, short-billed birds have difficulty reaching their major food source, deeply buried mollusks, which decreases the survival of birds born during particularly warm years.
Science
, this issue p.
819
; see also p.
775
Migratory animals have adapted to life in multiple, sometimes very different environments. Thus, they may show particularly complex responses as climates rapidly change. Van Gils
et al.
show that body size in red knot birds has been decreasing as their Arctic breeding ground warms (see the Perspective by Wikelski and Tertitski). However, the real toll of this change appears not in the rapidly changing northern part of their range but in the apparently more stable tropical wintering range. The resulting smaller, short-billed birds have difficulty reaching their major food source, deeply buried mollusks, which decreases the survival of birds born during particularly warm years.
Science
, this issue p.
819
; see also p.
775
History
Journal
ScienceVolume
352Issue
6287Pagination
819 - 821Publisher
AMER ASSOC ADVANCEMENT SCIENCELocation
United StatesPublisher DOI
ISSN
0036-8075eISSN
1095-9203Language
EnglishPublication classification
C Journal article; C1 Refereed article in a scholarly journalCopyright notice
2016, American Association for the Advancement of ScienceUsage metrics
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