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Migration patterns, population trends and morphometrics of the Ruddy Turnstone Arenaria interpres passing Ottenby in south-eastern Sweden

Helseth, Anders ; Stervander, Martin LU and Waldenström, Jonas LU (2005) In Ornis Svecica 15(2). p.63-72
Abstract
We analysed 57 years’ uninterrupted trapping data of autumn migrating Ruddy Turnstones Arenaria interpres at Ottenby, south-eastern Sweden (1593 full-grown birds in 1947–2003; of them 574 birds with standardised trapping in 1976–2003). Numbers trapped decreased significantly for both adult and juvenile birds in the total dataset (–0.34 and –0.57 ringed birds per year), and for juveniles in the 1976–2003 dataset (–0.51 per year). Median date for adults was 27 July and for juveniles 6 August. Adult females passed on average three days earlier than adult males (females 27 July, males 30 July). The mean body masses (juveniles 108.0 g, adults 108.4 g) correspond to a fuel load of 21–22% in relation to lean body mass (89 g). Length of stay of... (More)
We analysed 57 years’ uninterrupted trapping data of autumn migrating Ruddy Turnstones Arenaria interpres at Ottenby, south-eastern Sweden (1593 full-grown birds in 1947–2003; of them 574 birds with standardised trapping in 1976–2003). Numbers trapped decreased significantly for both adult and juvenile birds in the total dataset (–0.34 and –0.57 ringed birds per year), and for juveniles in the 1976–2003 dataset (–0.51 per year). Median date for adults was 27 July and for juveniles 6 August. Adult females passed on average three days earlier than adult males (females 27 July, males 30 July). The mean body masses (juveniles 108.0 g, adults 108.4 g) correspond to a fuel load of 21–22% in relation to lean body mass (89 g). Length of stay of retrapped birds was only 3.6 days. Thus, they continued the migration with small to moderate fat loads, comparable to reported fat loads elsewhere. Forty-four recoveries illustrate a narrow migration route along the western coasts of Europe, south to the wintering areas in tropical West Africa. (Less)
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author
; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Ornis Svecica
volume
15
issue
2
pages
63 - 72
publisher
Sveriges Ornitologiska Förening
external identifiers
  • scopus:19844371732
ISSN
1102-6812
language
English
LU publication?
yes
id
cd2ad8af-2005-4d6c-8347-1009d50a2c38 (old id 1567453)
alternative location
http://www.sofnet.org/ofstn/apps/reports/201.pdf
date added to LUP
2016-04-01 17:00:46
date last changed
2022-03-07 17:54:29
@article{cd2ad8af-2005-4d6c-8347-1009d50a2c38,
  abstract     = {{We analysed 57 years’ uninterrupted trapping data of autumn migrating Ruddy Turnstones Arenaria interpres at Ottenby, south-eastern Sweden (1593 full-grown birds in 1947–2003; of them 574 birds with standardised trapping in 1976–2003). Numbers trapped decreased significantly for both adult and juvenile birds in the total dataset (–0.34 and –0.57 ringed birds per year), and for juveniles in the 1976–2003 dataset (–0.51 per year). Median date for adults was 27 July and for juveniles 6 August. Adult females passed on average three days earlier than adult males (females 27 July, males 30 July). The mean body masses (juveniles 108.0 g, adults 108.4 g) correspond to a fuel load of 21–22% in relation to lean body mass (89 g). Length of stay of retrapped birds was only 3.6 days. Thus, they continued the migration with small to moderate fat loads, comparable to reported fat loads elsewhere. Forty-four recoveries illustrate a narrow migration route along the western coasts of Europe, south to the wintering areas in tropical West Africa.}},
  author       = {{Helseth, Anders and Stervander, Martin and Waldenström, Jonas}},
  issn         = {{1102-6812}},
  language     = {{eng}},
  number       = {{2}},
  pages        = {{63--72}},
  publisher    = {{Sveriges Ornitologiska Förening}},
  series       = {{Ornis Svecica}},
  title        = {{Migration patterns, population trends and morphometrics of the Ruddy Turnstone Arenaria interpres passing Ottenby in south-eastern Sweden}},
  url          = {{http://www.sofnet.org/ofstn/apps/reports/201.pdf}},
  volume       = {{15}},
  year         = {{2005}},
}