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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...
Autores principales: | , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Springer Berlin Heidelberg
2022
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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 |