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Variation in climate warming along the migration route uncouples arrival and breeding dates
Migratory species are of special concern in the face of global climate change, since they may be affected by changes in the wintering area, along the migration route and at the breeding grounds. Here
Inter-sexual differences in the immune response of Eurasian kestrel nestlings under food shortage
Male chicks exhibited lower cell-mediated immunity assessed by a cutaneous hypersensitivity response than females, but only in treatments suffering from food restrictions, as indicated by chick starvation, revealing inter-sexual differences in physiological strategies in early life.
From Plants to Birds: Higher Avian Predation Rates in Trees Responding to Insect Herbivory
It is confirmed that birds use cues from trees to locate insect-rich trees in the wild, and the predation rate was higher in the herbivore trees than in the control trees.
Climatic responses in spring migration of boreal and arctic birds in relation to wintering area and taxonomy
The results highlight the importance of examining the whole distribution of migration and warrant the use of data sets from several sampling sites when studying climatic effects on the timing of avian life-history events.
Birds help plants: a meta-analysis of top-down trophic cascades caused by avian predators
The results show that birds cause top-down trophic cascades and thus they play an integral role in ecosystems.
Climate change, breeding date and nestling diet: how temperature differentially affects seasonal changes in pied flycatcher diet depending on habitat variation.
It is suggested that pied flycatchers breeding in oak habitats have greater need to adjust timing of breeding to rising spring temperatures, because of the strong seasonality in their food.
Climate change can alter competitive relationships between resident and migratory birds.
Climate change has a great potential to alter the competitive balance between resident great tits and migrant pied flycatchers and divergent changes in these temperatures could consequently modify their competitive interactions.
Light‐level geolocators reveal migratory connectivity in European populations of pied flycatchers Ficedula hypoleuca
It is hypothesised that population differences in wintering longitudes of pied flycatchers result from geographical variation in breeding phenology and the timing of fuelling for spring migration at the wintering grounds, as well as the potential ecological factors causing such an unexpected pattern of migratory connectivity.
Size-mediated dominance and begging behaviour in Eurasian kestrel broods
The results show a clear response of food provisioning by parents to begging display of nestlings, and suggest that the advantage of female nestlings in food acquisition was due to their competitive superiority over male sibling nest-mates in scramble competition for monopolizeable prey.