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001-es BibID:BIBFORM105584
Első szerző:Fülöp Attila (biológus)
Cím:Space use of wintering Eurasian Tree Sparrows (Passer montanus) in a semi-urban area: a radiotelemetry-based case study / Attila Fülöp, Dóra Lukács, Zoltán Barta
Dátum:2022
ISSN:1215-1610 2061-9588
Megjegyzések:Space use, which includes the home range and habitat utilisation pattern of individuals for different activities (e.g. foraging, roosting), is one of the fundamental aspects of a species ecology. Hence, knowledge on the different aspects of space use in general is essential to understand the relationship between species and their habitat. Here, we investigated the home range size (using the minimum convex polygon method; MCP) and roosting site selection, using radiotelemetry, in a sedentary passerine species, the Eurasian Tree Sparrows (Passer montanus). The study was carried out during the non-breeding period (i.e. wintering), in a semi-urban habitat where supplemental feeding was also available. We found that individuals had highly variable home ranges, both in shape and size (mean ? SD of 95% MCP: 6.89 ? 5.73 ha), the location of which was influenced by the presence of bird feeders. Roosting sites of the tracked individuals were largely consistent at an individual level, that is, all birds used the same locations for roosting during the whole tracking period, and the roosting sites of all individuals were located on buildings. Our results suggest that urbanised habitats can provide multiple benefits for the individuals during the winter in the form of easily accessible resources (e.g. food, roosting place), and individuals readily exploit these resources by adjusting their space use according to their availability.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény hazai lapban
folyóiratcikk
home range
roosting
radiotelemetry
Passer montanus
Megjelenés:Ornis Hungarica. - 30 : 2 (2022), p. 124-133. -
További szerzők:Lukács Dóra Barta Zoltán (1967-) (biológus, zoológus)
Pályázati támogatás:OTKA-112527
OTKA
TKP2021-NKTA-32
Egyéb
PN-III-P1-1.1-TE-2021-0502)
Egyéb
CNFIS-FDI-2022-0179
Egyéb
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DOI
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2.

001-es BibID:BIBFORM096419
035-os BibID:(cikkazonosító)38 (WoS)000611543600001 (Scopus)85099821531
Első szerző:Fülöp Attila (biológus)
Cím:Sex-specific signalling of individual personality by a mutual plumage ornament in a passerine / Attila Fülöp, Dóra Lukács, Péter Imre Fábián, Bianka Kocsis, Gabriella Csöppü, Judit Bereczki, Zoltán Barta
Dátum:2021
ISSN:0340-5443
Megjegyzések:The significance of colour signals in species with strong sexual dimorphism and/or elaborated visual ornaments is rather well-understood. Less attention has, however, been devoted to study colour signals in species with weak or no apparent sexual dimorphism. In such species, an interesting possibility arises as both sexes can bear the same colour ornament(s) (i.e. sexes are mutually ornamented), but their signalling value might differ in males and females. We aimed to explore this possibility by investigating the phenotypic correlates of the black bib, a melanin-based plumage ornament, in the Eurasian tree sparrow (Passer montanus). More specifically, we studied the sex-dependent relationships between bib size and three aspects of individuals' phenotype: body condition (i.e. size-corrected body mass), physiology (i.e. cellular innate immunity/inflammation status, expressed through total leucocyte counts, and chronic physiological stress, expressed through the ratio of heterophils to lymphocytes) and individual personality (i.e. activity in a novel environment). We found that bib size was not associated with body condition and cellular innate immunity/inflammation status, but was positively related to physiological stress levels independent of sex. Furthermore, bib size was negatively associated with activity in males but positively in females. Our findings bring important correlative evidence that mutual ornamental traits may have sex-specific signalling value.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Melanin-based ornament
Personality
Physiology
Melanocortin hypothesis
Phenotypic integration
Passer montanus
Megjelenés:Behavioral Ecology And Sociobiology. - 75 : 2 (2021), p. 1-13. -
További szerzők:Lukács Dóra Fábián Péter Imre Kocsis Bianka Csöppü Gabriella Bereczki Judit (1979-) (biológus) Barta Zoltán (1967-) (biológus, zoológus)
Pályázati támogatás:OTKA-112527
OTKA
EFOP-3.6.1-16-2016-00022
EFOP
NKFIH-1150-6/2019
FIKP
Internet cím:Szerző által megadott URL
DOI
Intézményi repozitóriumban (DEA) tárolt változat
Borító:
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