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Seasonally divided moult in the Barred Warbler (Sylvia nisoria) is an endogenously controlled strategy

Hedenström, Anders LU ; Åkesson, Susanne LU ; Bensch, Staffan LU ; Hasselquist, Dennis LU and Lindström, Åke LU orcid (2022) In Ibis 164(1). p.350-353
Abstract

The seasonal timing of moult in migratory birds is an adaptation to cope with time constraints in the annual cycle. Kiat and Izhaki analysed moult patterns in Palaearctic passerines and rejected the proposition that seasonally divided moult is an endogenously controlled strategy. Instead, they advocated the view that it occurs due to a flexible and opportunistic timing of moult. In contrast, we argue that Kiat and Izhaki’s analysis is flawed and that they overlooked several important facts about moult in the Barred Warbler Sylvia nisoria and other species showing seasonally divided moult. These include the facts that juveniles replace a few secondaries already in their first winter, and that the moult sequences of primaries and... (More)

The seasonal timing of moult in migratory birds is an adaptation to cope with time constraints in the annual cycle. Kiat and Izhaki analysed moult patterns in Palaearctic passerines and rejected the proposition that seasonally divided moult is an endogenously controlled strategy. Instead, they advocated the view that it occurs due to a flexible and opportunistic timing of moult. In contrast, we argue that Kiat and Izhaki’s analysis is flawed and that they overlooked several important facts about moult in the Barred Warbler Sylvia nisoria and other species showing seasonally divided moult. These include the facts that juveniles replace a few secondaries already in their first winter, and that the moult sequences of primaries and secondaries are decoupled compared with the typical passerine complete moult sequence. We argue that seasonally divided moult is an adaptive strategy that is largely under endogenous control.

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author
; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
adaptation, migration, moult strategy, phylogeny, split moult, wintering habitat
in
Ibis
volume
164
issue
1
pages
4 pages
publisher
Wiley-Blackwell
external identifiers
  • scopus:85111840932
ISSN
0019-1019
DOI
10.1111/ibi.13001
language
English
LU publication?
yes
additional info
Publisher Copyright: © 2021 The Authors. Ibis published by John Wiley & Sons Ltd on behalf of British Ornithologists' Union
id
8d130738-b87f-4006-be98-70273a6dd80e
date added to LUP
2022-03-17 10:25:04
date last changed
2024-05-16 08:47:51
@misc{8d130738-b87f-4006-be98-70273a6dd80e,
  abstract     = {{<p>The seasonal timing of moult in migratory birds is an adaptation to cope with time constraints in the annual cycle. Kiat and Izhaki analysed moult patterns in Palaearctic passerines and rejected the proposition that seasonally divided moult is an endogenously controlled strategy. Instead, they advocated the view that it occurs due to a flexible and opportunistic timing of moult. In contrast, we argue that Kiat and Izhaki’s analysis is flawed and that they overlooked several important facts about moult in the Barred Warbler Sylvia nisoria and other species showing seasonally divided moult. These include the facts that juveniles replace a few secondaries already in their first winter, and that the moult sequences of primaries and secondaries are decoupled compared with the typical passerine complete moult sequence. We argue that seasonally divided moult is an adaptive strategy that is largely under endogenous control.</p>}},
  author       = {{Hedenström, Anders and Åkesson, Susanne and Bensch, Staffan and Hasselquist, Dennis and Lindström, Åke}},
  issn         = {{0019-1019}},
  keywords     = {{adaptation; migration; moult strategy; phylogeny; split moult; wintering habitat}},
  language     = {{eng}},
  month        = {{01}},
  number       = {{1}},
  pages        = {{350--353}},
  publisher    = {{Wiley-Blackwell}},
  series       = {{Ibis}},
  title        = {{Seasonally divided moult in the Barred Warbler (Sylvia nisoria) is an endogenously controlled strategy}},
  url          = {{http://dx.doi.org/10.1111/ibi.13001}},
  doi          = {{10.1111/ibi.13001}},
  volume       = {{164}},
  year         = {{2022}},
}