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Low body mass of juvenile Ross's gulls Rhodostethia rosea in the Laptev Sea

Author:
  • Åke Lindström
  • Staffan Bensch
  • Paul Eric Jönsson
Publishing year: 1998
Language: English
Pages: 280-282
Publication/Series: Arctic
Volume: 51
Issue: 3
Document type: Journal article
Publisher: The Arctic Institute of North America

Abstract english

Four juvenile Ross's gulls Rhodostethia rosea were trapped on the New Siberian Islands in the Laptev Sea in early August 1994, allowing data collection on body mass and morphometrics from a poorly known part of the species' annual cycle. The wings of juvenile birds were shorter than those previously reported for adults, but their bill length and tarsus length were similar. Their average body mass (128 g) was very low, suggesting that some juvenile Ross's gulls have only very small energy reserves left after post-breeding dispersal, which in this case was at least 300 km.

Keywords

  • Biological Sciences
  • Ecology
  • Ross's gull
  • Rhodostethia rosea
  • body mass
  • morphometrics
  • post-breeding dispersal
  • New Siberian Islands
  • Laptev Sea

Other

Published
  • Molecular Ecology and Evolution Lab
  • ISSN: 0004-0843
Staffan Bensch
E-mail: staffan [dot] bensch [at] biol [dot] lu [dot] se

Professor

MEMEG

+46 46 222 42 92

E-C213

Sölvegatan 37, Lund

50

Head of unit

MEMEG

+46 46 222 42 92

E-C213

Sölvegatan 37, Lund

50

Research group

Molecular Ecology and Evolution Lab

Projects

Doctoral students and postdocs

PhD students, main supervisor

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