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Flight costs and fuel composition of a bird migrating in a wind tunnel

Klaassen, M; Kvist, Anders LU and Lindström, Åke LU (2000) In Condor 102(2). p.444-451
Abstract
We studied the energy and protein balance of a Thrush Nightingale Luscinia luscinia, a small long-distance migrant, during repeated 12-hr long Eights in a wind tunnel and during subsequent two-day fueling periods. From the energy budgets we estimated the power requirements for migratory flight in this 26 g bird at 1.91 Watts. This is low compared to flight cost estimates in birds of similar mass and with similar wing shape. This suggests that power requirements for migratory flight are lower than the power requirements for nonmigratory Eight. From excreta production during Right, and nitrogen and energy balance during subsequent fueling, the dry protein proportion of stores was estimated to be around 10%. A net catabolism of protein during... (More)
We studied the energy and protein balance of a Thrush Nightingale Luscinia luscinia, a small long-distance migrant, during repeated 12-hr long Eights in a wind tunnel and during subsequent two-day fueling periods. From the energy budgets we estimated the power requirements for migratory flight in this 26 g bird at 1.91 Watts. This is low compared to flight cost estimates in birds of similar mass and with similar wing shape. This suggests that power requirements for migratory flight are lower than the power requirements for nonmigratory Eight. From excreta production during Right, and nitrogen and energy balance during subsequent fueling, the dry protein proportion of stores was estimated to be around 10%. A net catabolism of protein during migratory flight along with that of fat may reflect a physiologically inevitable process, a means of providing extra water to counteract dehydration, a production of uric acid for anti-oxidative purposes, and adaptive changes in the size of Eight muscles and digestive organs in the exercising animal. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Condor
volume
102
issue
2
pages
444 - 451
publisher
Cooper Ornithological Society
external identifiers
  • scopus:0034115565
ISSN
0010-5422
language
English
LU publication?
yes
id
04339d4c-7ab8-4368-b935-27088e554fe0 (old id 146024)
alternative location
http://www.bioone.org/bioone/?request=get-document&issn=0010-5422&volume=102&issue=02&page=0444
date added to LUP
2007-06-26 08:58:44
date last changed
2017-02-26 04:11:53
@article{04339d4c-7ab8-4368-b935-27088e554fe0,
  abstract     = {We studied the energy and protein balance of a Thrush Nightingale Luscinia luscinia, a small long-distance migrant, during repeated 12-hr long Eights in a wind tunnel and during subsequent two-day fueling periods. From the energy budgets we estimated the power requirements for migratory flight in this 26 g bird at 1.91 Watts. This is low compared to flight cost estimates in birds of similar mass and with similar wing shape. This suggests that power requirements for migratory flight are lower than the power requirements for nonmigratory Eight. From excreta production during Right, and nitrogen and energy balance during subsequent fueling, the dry protein proportion of stores was estimated to be around 10%. A net catabolism of protein during migratory flight along with that of fat may reflect a physiologically inevitable process, a means of providing extra water to counteract dehydration, a production of uric acid for anti-oxidative purposes, and adaptive changes in the size of Eight muscles and digestive organs in the exercising animal.},
  author       = {Klaassen, M and Kvist, Anders and Lindström, Åke},
  issn         = {0010-5422},
  language     = {eng},
  number       = {2},
  pages        = {444--451},
  publisher    = {Cooper Ornithological Society},
  series       = {Condor},
  title        = {Flight costs and fuel composition of a bird migrating in a wind tunnel},
  volume       = {102},
  year         = {2000},
}