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Body composition and migration strategies : a comparison between robins (Erithacus rubecula) from two stop-over sites in Sweden

Akesson, S. LU orcid ; Karlsson, L. ; Pettersson, J. and Walinder, G. (1992) In Vogelwarte 36(3). p.188-195
Abstract

Robins captured as passage migrants by the Baltic Sea in Sweden at Falsterbo and Ottenby Bird Observatories, respectively, differ with respect to body mass, fat load and orientation behaviour. Relatively more birds with large visual fat deposits are captured at Ottenby than at Falsterbo, but robins at Falsterbo carry more fat than robins at Ottenby. Robins with small fat loads at Ottenby probably consisted of birds which had depleted their fuel reserves during a preceding extensive flight across the Baltic Sea. The difference in fat content, fat-free body mass, flight muscle and liver mass may reflect differences in physiological and ecological conditions for robins migrating mainly over land (arriving at Falsterbo) and over sea... (More)

Robins captured as passage migrants by the Baltic Sea in Sweden at Falsterbo and Ottenby Bird Observatories, respectively, differ with respect to body mass, fat load and orientation behaviour. Relatively more birds with large visual fat deposits are captured at Ottenby than at Falsterbo, but robins at Falsterbo carry more fat than robins at Ottenby. Robins with small fat loads at Ottenby probably consisted of birds which had depleted their fuel reserves during a preceding extensive flight across the Baltic Sea. The difference in fat content, fat-free body mass, flight muscle and liver mass may reflect differences in physiological and ecological conditions for robins migrating mainly over land (arriving at Falsterbo) and over sea (arriving at Ottenby), respectively. -from Authors

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author
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Vogelwarte
volume
36
issue
3
pages
8 pages
publisher
Verlag Schmidt GmbH
external identifiers
  • scopus:0027037160
ISSN
0049-6650
language
English
LU publication?
yes
id
4af9309d-14a5-4446-8c56-6ca9bc1c3c1b
date added to LUP
2025-04-14 13:04:14
date last changed
2025-05-05 07:16:38
@article{4af9309d-14a5-4446-8c56-6ca9bc1c3c1b,
  abstract     = {{<p>Robins captured as passage migrants by the Baltic Sea in Sweden at Falsterbo and Ottenby Bird Observatories, respectively, differ with respect to body mass, fat load and orientation behaviour. Relatively more birds with large visual fat deposits are captured at Ottenby than at Falsterbo, but robins at Falsterbo carry more fat than robins at Ottenby. Robins with small fat loads at Ottenby probably consisted of birds which had depleted their fuel reserves during a preceding extensive flight across the Baltic Sea. The difference in fat content, fat-free body mass, flight muscle and liver mass may reflect differences in physiological and ecological conditions for robins migrating mainly over land (arriving at Falsterbo) and over sea (arriving at Ottenby), respectively. -from Authors</p>}},
  author       = {{Akesson, S. and Karlsson, L. and Pettersson, J. and Walinder, G.}},
  issn         = {{0049-6650}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{188--195}},
  publisher    = {{Verlag Schmidt GmbH}},
  series       = {{Vogelwarte}},
  title        = {{Body composition and migration strategies : a comparison between robins (Erithacus rubecula) from two stop-over sites in Sweden}},
  volume       = {{36}},
  year         = {{1992}},
}