NDLI: Body condition of shorebirds upon arrival at their Siberian breeding grounds

Content Provider	Springer Nature Link
Author	Tulp, Ingrid Schekkerman, Hans Klaassen, Raymond H. G. Ens, Bru J. Visser, G. Henk
Copyright Year	2008
Abstract	Arctic breeding shorebirds carry substantial body stores on their long-distance migrations from their non-breeding grounds. Upon arrival at the breeding area the remains of these stores can be used for egg formation, insurance against poor feeding conditions or rebuilding organs. We quantified body condition (body mass, total body water, lean body mass and fat mass estimated using the deuterium dilution method) in seven shorebird species caught upon arrival in the Siberian Arctic. Arrival condition was compared with incubation condition in a subset of species. After correction for structural size, body mass was significantly lower at arrival than during incubation in most of the species (but 3–18% above lean mass). Fat index (fat mass/lean mass) varied between 5.1 and 13.2%. Fat stores were estimated to enable survival for 0.6 days for the smallest and 2.5 days for the largest species. We discuss possible functions of arrival stores: insurance, egg-formation or rebuilding organs.
Starting Page	481
Ending Page	491
Page Count	11
File Format	PDF
ISSN	07224060
Journal	Polar Biology
Volume Number	32
Issue Number	3
e-ISSN	14322056
Language	English
Publisher	Springer-Verlag
Publisher Date	2008-11-21
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Arctic Taimyr Shorebirds Body mass Fat Lean mass Zoology Ecology Plant Sciences Microbiology Oceanography
Content Type	Text
Resource Type	Article
Subject	Agricultural and Biological Sciences

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