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Black-headed Gulls Chroicocephalus ridibundus capturing chironomids in flight: have flight costs been overestimated?

Källander, Hans LU (2014) In Journal of Ornithology 155(3). p.825-827
Abstract
The diurnal and seasonal occurrence of flight foraging for midges (Chironomidae) by Black-headed Gulls Chroicocephalus ridibundus was studied at a shallow semi-eutrophic lake in South Sweden and their capture rates were recorded. The gulls captured 0.28 chiromids s(-1) (1,012 h(-1)). With a dry mass of 2.08 mg ind(-1) and an energy content of 22.7 kJ g(-1), they achieved an energy intake of c.47 kJ h(-1). It seems that estimates of flight costs may have been over-estimated, and it is concluded that aerial feeding on chironomids by Black-headed Gulls results in a positive energy balance.
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Black-headed Gull, Chironomids, Energy intake, Flight costs
in
Journal of Ornithology
volume
155
issue
3
pages
825 - 827
publisher
Springer
external identifiers
  • wos:000337792500027
  • scopus:84902539477
ISSN
2193-7206
DOI
10.1007/s10336-014-1055-7
language
English
LU publication?
yes
id
1278281b-4f5c-4fa6-a968-6c55c47a49c4 (old id 4608984)
date added to LUP
2016-04-01 13:52:32
date last changed
2022-01-27 21:32:50
@article{1278281b-4f5c-4fa6-a968-6c55c47a49c4,
  abstract     = {{The diurnal and seasonal occurrence of flight foraging for midges (Chironomidae) by Black-headed Gulls Chroicocephalus ridibundus was studied at a shallow semi-eutrophic lake in South Sweden and their capture rates were recorded. The gulls captured 0.28 chiromids s(-1) (1,012 h(-1)). With a dry mass of 2.08 mg ind(-1) and an energy content of 22.7 kJ g(-1), they achieved an energy intake of c.47 kJ h(-1). It seems that estimates of flight costs may have been over-estimated, and it is concluded that aerial feeding on chironomids by Black-headed Gulls results in a positive energy balance.}},
  author       = {{Källander, Hans}},
  issn         = {{2193-7206}},
  keywords     = {{Black-headed Gull; Chironomids; Energy intake; Flight costs}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{825--827}},
  publisher    = {{Springer}},
  series       = {{Journal of Ornithology}},
  title        = {{Black-headed Gulls Chroicocephalus ridibundus capturing chironomids in flight: have flight costs been overestimated?}},
  url          = {{http://dx.doi.org/10.1007/s10336-014-1055-7}},
  doi          = {{10.1007/s10336-014-1055-7}},
  volume       = {{155}},
  year         = {{2014}},
}