Eagle Owl Bubo bubo proximity can lower productivity of cliff-nesting Peregrines Falco peregrinus
The Eagle Owl Bubo bubo is conventionally regarded as an important predator of smaller diurnal birds of prey. In this study, we analysed the relationships between Peregrine pro-ductivity and the proximity to Eagle Owl nests/cliffs in a cliff-nesting Peregrine Falco peregrinus population across the c...
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fttsvojs:oai:journal.fi:article/133650 2023-09-05T13:19:19+02:00 Eagle Owl Bubo bubo proximity can lower productivity of cliff-nesting Peregrines Falco peregrinus Brambilla, M. Rubolini, D. Guidali, F. 2006-03-31 application/pdf https://ornisfennica.journal.fi/article/view/133650 eng eng BirdLife Finland https://ornisfennica.journal.fi/article/view/133650/82196 https://ornisfennica.journal.fi/article/view/133650 Ornis Fennica; Vol 83 Nro 1 (2006); 20–26 Ornis Fennica; Vol. 83 No. 1 (2006); 20–26 0030-5685 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article 2006 fttsvojs 2023-08-23T23:02:59Z The Eagle Owl Bubo bubo is conventionally regarded as an important predator of smaller diurnal birds of prey. In this study, we analysed the relationships between Peregrine pro-ductivity and the proximity to Eagle Owl nests/cliffs in a cliff-nesting Peregrine Falco peregrinus population across the central pre-Alps of Italy and Switzerland over three breeding seasons. There was no effect of Eagle Owls on Peregrine productivity over the whole study area, whereas in a restricted sub-area, where both species occurred at higher densities, proximity to Eagle Owl nests/cliffs and syntopic co-occurrence of the two spe-cies at a given cliff complex resulted in lower Peregrine productivity. Eagle Owl effects at the wider scale were probably masked by other ecological and/or environmental features affecting reproductive success of the Peregrine, whereas these became evident when fo-cusing on a more restricted and homogeneous area. Thus, our study suggests that Eagle Owls may affect population dynamics of diurnal raptors via an effect on productivity. Article in Journal/Newspaper Falco peregrinus Federation of Finnish Learned Societies: Scientific Journals Online |
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Open Polar |
collection |
Federation of Finnish Learned Societies: Scientific Journals Online |
op_collection_id |
fttsvojs |
language |
English |
description |
The Eagle Owl Bubo bubo is conventionally regarded as an important predator of smaller diurnal birds of prey. In this study, we analysed the relationships between Peregrine pro-ductivity and the proximity to Eagle Owl nests/cliffs in a cliff-nesting Peregrine Falco peregrinus population across the central pre-Alps of Italy and Switzerland over three breeding seasons. There was no effect of Eagle Owls on Peregrine productivity over the whole study area, whereas in a restricted sub-area, where both species occurred at higher densities, proximity to Eagle Owl nests/cliffs and syntopic co-occurrence of the two spe-cies at a given cliff complex resulted in lower Peregrine productivity. Eagle Owl effects at the wider scale were probably masked by other ecological and/or environmental features affecting reproductive success of the Peregrine, whereas these became evident when fo-cusing on a more restricted and homogeneous area. Thus, our study suggests that Eagle Owls may affect population dynamics of diurnal raptors via an effect on productivity. |
format |
Article in Journal/Newspaper |
author |
Brambilla, M. Rubolini, D. Guidali, F. |
spellingShingle |
Brambilla, M. Rubolini, D. Guidali, F. Eagle Owl Bubo bubo proximity can lower productivity of cliff-nesting Peregrines Falco peregrinus |
author_facet |
Brambilla, M. Rubolini, D. Guidali, F. |
author_sort |
Brambilla, M. |
title |
Eagle Owl Bubo bubo proximity can lower productivity of cliff-nesting Peregrines Falco peregrinus |
title_short |
Eagle Owl Bubo bubo proximity can lower productivity of cliff-nesting Peregrines Falco peregrinus |
title_full |
Eagle Owl Bubo bubo proximity can lower productivity of cliff-nesting Peregrines Falco peregrinus |
title_fullStr |
Eagle Owl Bubo bubo proximity can lower productivity of cliff-nesting Peregrines Falco peregrinus |
title_full_unstemmed |
Eagle Owl Bubo bubo proximity can lower productivity of cliff-nesting Peregrines Falco peregrinus |
title_sort |
eagle owl bubo bubo proximity can lower productivity of cliff-nesting peregrines falco peregrinus |
publisher |
BirdLife Finland |
publishDate |
2006 |
url |
https://ornisfennica.journal.fi/article/view/133650 |
genre |
Falco peregrinus |
genre_facet |
Falco peregrinus |
op_source |
Ornis Fennica; Vol 83 Nro 1 (2006); 20–26 Ornis Fennica; Vol. 83 No. 1 (2006); 20–26 0030-5685 |
op_relation |
https://ornisfennica.journal.fi/article/view/133650/82196 https://ornisfennica.journal.fi/article/view/133650 |
_version_ |
1776200117887434752 |