Search results for "Ficedula hypoleuca"
showing 10 items of 11 documents
Interspecific variation in the relationship between clutch size, laying date and intensity of urbanization in four species of hole-nesting birds
2016
Marie Vaugoyeau [et al.]
Predator encounters have spatially extensive impacts on parental behaviour in a breeding bird community.
2016
Predation risk has negative indirect effects on prey fitness, partly mediated through changes in behaviour. Evidence that individuals gather social information from other members of the population suggests that events in a community may impact the behaviour of distant individuals. However, spatially wide-ranging impacts on individual behaviour caused by a predator encounter elsewhere in a community have not been documented before. We investigated the effect of a predator encounter (hawk model presented at a focal nest) on the parental behaviour of pied flycatchers ( Ficedula hypoleuca ), both at the focal nest and at nearby nests different distances from the predator encounter. We show tha…
Mākslīgo ligzdvietu iekšējā apgaismojuma loma melnā mušķērāja Ficedula hypoleuca un lielās zīlītes Parus major ligzdošanas vietas izvēlē
2018
Balstoties uz iepriekš publicētiem pētījumiem, kuros konstatēta ligzdvietas iekšējā apgaismojuma līmeņa nozīme dobumperētāju ligzdvietu izvēlē, tika izvirzīts pieņēmums, ka mērķsugu īpatņi biežāk ligzdošanai izvēlēsies gaišākās nekā tumšākas mākslīgās ligzdvietas. Par darba mērķi tika uzstādīts noskaidrot mākslīgo ligzdvietu iekšējā apgaismojuma ietekmi uz melnā mušķērāja Ficedula hypoleuca un lielās zīlītes Parus major ligzdošanas vietas izvēli. Visi četri pētījuma veikšanai izvēlētie parauglaukumi atradās Garkalnes un Inčukalna novados, dabas liegumā “Garkalnes meži,” skrajos, viendabīgos priežu monoaudzes sausieņu tipa mežos. Eksperimenta veikšanai tika sagatavotas parauglaukumos jau eso…
Geolocators reveal variation and sex-specific differences in the migratory strategies of a long-distance migrant
2021
Bell F, Bearhop S, Briedis M, El Harouchi M, Bell SC, Castello J, Burgess M. 2022. Geolocators reveal variation and sex-specific differences in the migratory strategies of a long-distance migrant. Ibis. doi:10.1111/ibi.13017
Geolocators reveal variation and sex-specific differences in the migratory strategies of a long-distance migrant-reference-data
2021
Bell F, Bearhop S, Briedis M, El Harouchi M, Bell SC, Castello J, Burgess M. 2022. Geolocators reveal variation and sex-specific differences in the migratory strategies of a long-distance migrant. Ibis. doi:10.1111/ibi.13017
Data from: Geolocators reveal variation and sex-specific differences in the migratory strategies of a long-distance migrant
2021
Bell F, Bearhop S, Briedis M, El Harouchi M, Bell SC, Castello J, Burgess M. 2022. Geolocators reveal variation and sex-specific differences in the migratory strategies of a long-distance migrant. Ibis. doi:10.1111/ibi.13017
Data from: Elevated oxidative stress in pied flycatcher nestlings of eumelanic foster fathers under low rearing temperatures
2019
Striking variation in melanin coloration within natural populations is likely due to the different fitness outcomes of alternative phenotypes in varying environmental conditions. There are two types of melanins. Eumelanins yield blackish hues, while pheomelanins yield reddish hues. The production of eumelanins requires low levels of glutathione (GSH), which is the most important intracellular antioxidant, while the production of pheomelanins requires high levels of GSH. We investigated the oxidative status of male pied flycatchers (Ficedula hypoleuca) with different degrees of melanin coloration under different temperatures during the nestling period. Moreover, we assessed the oxidative sta…
Data from: Predator encounters have spatially extensive impacts on parental behaviour in a breeding bird community
2016
Predation risk has negative indirect effects on prey fitness, partly mediated through changes in behaviour. Evidence that individuals gather social information from other members of the population suggests that events in a community may impact the behaviour of distant individuals. However, spatially wide-ranging impacts on individual behaviour caused by a predator encounter elsewhere in a community have not been documented before. We investigated the effect of a predator encounter (hawk model presented at a focal nest) on the parental behaviour of pied flycatchers (Ficedula hypoleuca), both at the focal nest and at nearby nests different distances from the predator encounter. We show that n…
Data from: Carry-over effects of conditions at the wintering grounds on breeding plumage signals in a migratory bird: roles of phenotypic plasticity …
2016
To understand the consequences of ever-changing environment on the dynamics of phenotypic traits, distinguishing between selection processes and individual plasticity is crucial. We examined individual consistency/plasticity in several male secondary sexual traits expressed during the breeding season (white wing and forehead patch size, UV reflectance of white wing patch and dorsal melanin colouration) in a migratory pied flycatcher (Ficedula hypoleuca) population over an 11-year period. Furthermore, we studied carry-over effects of three environmental variables (NAO, a climatic index; NDVI, a vegetation index; and rainfall) at the wintering grounds (during pre-breeding moult) on the expres…