Blar i Brage NMBU på forfatter "Brekke, Lise"
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Bird droppings : hooded crows foraging on persian walnuts
Brekke, Lise (Master thesis, 2014-02-19)I conducted a study on hooded crows (Corvus corone cornix) foraging on walnuts (Juglans regia), often in the presence of magpies (Pica pica). The fieldwork was conducted around three mature walnut trees in a residential ...