Do eagle owls select larger water voles?
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Abstract
Optimal foraging theory predicts that a hunter should hunt the energetically most profitable prey, often the larger size classes. The eagle owl is a formidable hunter of water voles. Measurements of mandibles of voles eaten by eagle owls indicated a size frequency distribution more skewed toward larger individuals than could be expected, suggesting a selection of voles by the owls.
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Frafjord, K. (2003). Do eagle owls select larger water voles?. Fauna Norvegica, 23, 42-47. https://doi.org/10.5324/fn.v23i0.5982
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