Black-headed Gulls Chroicocephalus ridibundus capturing chironomids in flight: have flight costs been overestimated?
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...
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Online Access: | https://lup.lub.lu.se/record/4608984 https://doi.org/10.1007/s10336-014-1055-7 |
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ftulundlup:oai:lup.lub.lu.se:1278281b-4f5c-4fa6-a968-6c55c47a49c4 2023-05-15T18:49:33+02:00 Black-headed Gulls Chroicocephalus ridibundus capturing chironomids in flight: have flight costs been overestimated? Källander, Hans 2014 https://lup.lub.lu.se/record/4608984 https://doi.org/10.1007/s10336-014-1055-7 eng eng Springer https://lup.lub.lu.se/record/4608984 http://dx.doi.org/10.1007/s10336-014-1055-7 wos:000337792500027 scopus:84902539477 Journal of Ornithology; 155(3), pp 825-827 (2014) ISSN: 2193-7206 Biological Sciences Black-headed Gull Chironomids Energy intake Flight costs contributiontojournal/article info:eu-repo/semantics/article text 2014 ftulundlup https://doi.org/10.1007/s10336-014-1055-7 2023-02-01T23:35:17Z 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. Article in Journal/Newspaper Black-headed Gull Chroicocephalus ridibundus Lund University Publications (LUP) Journal of Ornithology 155 3 825 827 |
institution |
Open Polar |
collection |
Lund University Publications (LUP) |
op_collection_id |
ftulundlup |
language |
English |
topic |
Biological Sciences Black-headed Gull Chironomids Energy intake Flight costs |
spellingShingle |
Biological Sciences Black-headed Gull Chironomids Energy intake Flight costs Källander, Hans Black-headed Gulls Chroicocephalus ridibundus capturing chironomids in flight: have flight costs been overestimated? |
topic_facet |
Biological Sciences Black-headed Gull Chironomids Energy intake Flight costs |
description |
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. |
format |
Article in Journal/Newspaper |
author |
Källander, Hans |
author_facet |
Källander, Hans |
author_sort |
Källander, Hans |
title |
Black-headed Gulls Chroicocephalus ridibundus capturing chironomids in flight: have flight costs been overestimated? |
title_short |
Black-headed Gulls Chroicocephalus ridibundus capturing chironomids in flight: have flight costs been overestimated? |
title_full |
Black-headed Gulls Chroicocephalus ridibundus capturing chironomids in flight: have flight costs been overestimated? |
title_fullStr |
Black-headed Gulls Chroicocephalus ridibundus capturing chironomids in flight: have flight costs been overestimated? |
title_full_unstemmed |
Black-headed Gulls Chroicocephalus ridibundus capturing chironomids in flight: have flight costs been overestimated? |
title_sort |
black-headed gulls chroicocephalus ridibundus capturing chironomids in flight: have flight costs been overestimated? |
publisher |
Springer |
publishDate |
2014 |
url |
https://lup.lub.lu.se/record/4608984 https://doi.org/10.1007/s10336-014-1055-7 |
genre |
Black-headed Gull Chroicocephalus ridibundus |
genre_facet |
Black-headed Gull Chroicocephalus ridibundus |
op_source |
Journal of Ornithology; 155(3), pp 825-827 (2014) ISSN: 2193-7206 |
op_relation |
https://lup.lub.lu.se/record/4608984 http://dx.doi.org/10.1007/s10336-014-1055-7 wos:000337792500027 scopus:84902539477 |
op_doi |
https://doi.org/10.1007/s10336-014-1055-7 |
container_title |
Journal of Ornithology |
container_volume |
155 |
container_issue |
3 |
container_start_page |
825 |
op_container_end_page |
827 |
_version_ |
1766243150179860480 |