Olfactory camouflage and communication in birds

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dc.contributor.authorGrieves, Leanne A.
dc.contributor.authorGilles, Marc
dc.contributor.authorCuthill, Innes C.
dc.contributor.authorSzékely, Tamás
dc.contributor.authorMacDougall‐Shackleton, Elizabeth A.
dc.contributor.authorCaspers, Barbara A.
dc.contributor.authorSzékely Tamás (1959-) (biológus)
dc.contributor.submitterdepBiológiai és Ökológiai Intézet -- 748
dc.contributor.submitterdepEvolúciós Állattani és Humánbiológiai Tanszék -- 705
dc.contributor.submitterdepTTK
dc.contributor.submitterdepDebreceni Egyetem
dc.date.accessioned2024-03-27T12:00:34Z
dc.date.available2024-03-27T12:00:34Z
dc.date.oa2024-03-28
dc.date.updated2024-03-27T12:00:34Z
dc.description.abstractSmell is a sensory modality that is rarely considered in birds, but evidence is mounting that olfaction is an important aspect of avian behaviour and ecology. The uropygial gland produces an odoriferous secretion (preen oil) that can differ seasonally and between the sexes. These differences are hypothesized to function in olfactory camouflage, i.e. minimizing detection by nest predators (olfactory crypsis hypothesis), and/or intraspecific olfactory communication, particularly during breeding (sex semiochemical hypothesis). However, evidence for seasonal and sex differences in preen oil is mixed, with some studies finding differences and others not, and direct evidence for the putative function(s) of seasonal variation and sex differences in preen oil remains limited. We conducted a systematic review of the evidence for such changes in preen oil chemical composition, finding seasonal differences in 95% of species (57/60 species in 35 studies) and sex differences in 47% of species (28/59 species in 46 studies). We then conducted phylogenetic comparative analyses using data from 59 bird species to evaluate evidence for both the olfactory crypsis and sex semiochemical hypotheses. Seasonal differences were more likely in the incubating than non-incubating sex in ground-nesting species, but were equally likely regardless of incubation strategy in non-ground-nesting species. This result supports the olfactory crypsis hypothesis, if ground nesters are more vulnerable to olfactorily searching predators than non-ground nesters. Sex differences were more likely in species with uniparental than biparental incubation and during breeding than non-breeding, consistent with both the olfactory crypsis and sex semiochemical hypotheses. At present, the data do not allow us to disentangle these two hypotheses, but we provide recommendations that will enable researchers to do so.
dc.description.correctorSZKM
dc.identifier.citationBiological Reviews. -97 : 3 (2022), p. 1193-1209. -Biol. Rev. -1464-7931
dc.identifier.doi10.1111/brv.12837
dc.identifier.issn1464-7931
dc.identifier.opachttps://ebib.lib.unideb.hu/ebib/CorvinaWeb?action=cclfind&resultview=long&ccltext=idno+BIBFORM119880
dc.identifier.urihttps://hdl.handle.net/2437/367965
dc.identifier.urlhttps://onlinelibrary.wiley.com/doi/10.1111/brv.12837
dc.languageeng
dc.rights.accessopen access article
dc.rights.ownerSzerző
dc.subject.otheridegen nyelvű folyóiratközlemény külföldi lapban
dc.subject.otherbird odour
dc.subject.otherchemical cues
dc.subject.otherinfochemicals
dc.subject.othermate recognition
dc.subject.otherolfaction
dc.subject.otherparental care
dc.subject.otherpreen oil
dc.subject.otherscent
dc.subject.othersexual selection
dc.subject.otheruropygial gland secretion
dc.titleOlfactory camouflage and communication in birds
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