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Hawk owl irruptions: spatial and temporal variation in rodent abundance drive push and pull dynamics

Bird irruptions are thought to be triggered by low food availability in breeding areas, thereby causing emigration (push factor). However, few studies have tested whether emigrating individuals are drawn towards areas of high food availability (pull factor). The Northern hawk owl (Surnia ulula), a r...

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Detalles Bibliográficos
Autores principales: Dale, Svein, Sonerud, Geir A.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer Berlin Heidelberg 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9813069/
https://www.ncbi.nlm.nih.gov/pubmed/36401634
http://dx.doi.org/10.1007/s00442-022-05283-9