Bird Study · 1994 · 61 citations · 23 references
Life SciencesAnimal SciencesEcologyBehavioral EcologyOrnithologyPopulation EcologyAnimal EcologyBird ConservationForaging EcologyHabitat SelectionHabitat UseSeasonal EcologyBreeding Habitat SelectionJuvenile Habitat SelectionStubble FallowWintering Habitat Suitability
The habitat selected by foraging Cirl Buntings was investigated at 2 sites in South Devon, England in each of 3 winters. Cirl Buntings showed a marked preference for foraging on stubble or fallow fields at both sites in all 3 winters of the study. A reduction in the area of stubble fields left over winter may have contributed to the decline of the British Cirl Bunting population.
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W D Hamilton · Journal of Theoretical Biology · 1971 · 3.5K citations
Behavioural Ecology: An Evolutionary Approach
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On the Measurement of Niche Breadth and Overlap
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