Preen oil chemical composition in herring gull Larus argentatus, common gull Larus canus and black-headed gull Chroicocephalus ridibundus confirms their status as two separate genera

Izabela Fischer , Włodzimierz Meissner , Łukasz Haliński , Piotr Stepnowski

Abstract

Fatty acid and alcohol components of preen oil were determined in three gull species that belong to two sys-tematic genera: herring gullLarusargentatus, common gullLaruscanusand black-headed gullChroicocephalusridibundus. All gulls were captured in winter, in Gdańsk, Poland. All gulls produced monoesters composed ofC7–C16saturatedfattyacidsandC11–C20saturatedalcohols,withn-octanoicacidandn-hexadecanolasthemajorfatty acid and alcohol, respectively. Preen oils of black-headed gull had higher content of trimethyl fatty acids,2,8-dimethylundecanoic acid, 2,6-dimethylundecanoic acid and 2,6-dimethylnonanoic acid, and lower contentof2-methylfattyacidsthanoilsofherringgullandcommongull.Preenoilsproducedbyblack-headedgullalsohadlowercontentof2-methylalcohols.Therelativecontentsofn-octanoicacidandn-hexadecanoldidnotdifferamong species. The differences among species are probably not a result of different diet, as all gulls fed mainlyonhouseholdrefuse.Hence,preenoilanalysisconfirmedthetaxonomicrelationsamongthesegullspecies,thatrecently were placed into two different genera.
Author Izabela Fischer (FB / DVEZ)
Izabela Fischer ,,
- Department of Vertebrate Ecology and Zoology
, Włodzimierz Meissner (FB / DVEZ)
Włodzimierz Meissner,,
- Department of Vertebrate Ecology and Zoology
, Łukasz Haliński (FCh / DEA / LANC)
Łukasz Haliński,,
- Laboratory of Analysis of Natural Compounds
, Piotr Stepnowski (FCh / DEA / LChER)
Piotr Stepnowski,,
- Laboratory of Chemical Environmental Risks
Journal seriesBiochemical Systematics and Ecology, ISSN 0305-1978, e-ISSN 1873-2925, (N/A 40 pkt)
Issue year2020
Vol89
Pages1-8
Publication size in sheets0.5
Article number103987
Keywords in Englishgulls, chemotaxonomy, preen oils, gas, chromatography-mass spectrometry
ASJC Classification1105 Ecology, Evolution, Behavior and Systematics; 1303 Biochemistry
DOIDOI:10.1016/j.bse.2019.103987
URL https://www.sciencedirect.com/science/article/pii/S0305197819303801/pdfft?md5=689674639b458c76b82382bee2c91975&pid=1-s2.0-S0305197819303801-main.pdf
Languageen angielski
Score (nominal)40
Score sourcejournalList
ScoreMinisterial score = 40.0, 28-02-2020, ArticleFromJournal
Publication indicators Scopus Citations = 0; Scopus SNIP (Source Normalised Impact per Paper): 2018 = 0.668; WoS Impact Factor: 2018 = 1.127 (2) - 2018=1.121 (5)
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