Weather and food availability additively affect reproductive output in an expanding raptor population

M Nägeli, P Scherler, S Witczak, B Catitti, A Aebischer… - Oecologia, 2022 - Springer
The joint effects of interacting environmental factors on key demographic parameters can
exacerbate or mitigate the separate factors' effects on population dynamics. Given ongoing …

Effects of ambient temperature during the nestling stage on a stress indicator in nestling pied flycatchers Ficedula hypoleuca

J Skwarska, A Podstawczyńska, M Bańbura… - International Journal of …, 2022 - Springer
Long-term and short-term changes in ambient temperature can cause stress in birds,
leading to changes in the level of hematological parameters. The H: L ratio (heterophil-to …

[PDF][PDF] The quantity and quality of nestlings: How food supplementation and environmental factors influence reproductive traits of red kites

M Nägeli - 2019 - vogelwarte.ch
Environmental factors are often stated as the main regulators of variation in reproductive
traits of raptors. But whether food availability or weather are more important is not known for …