Habitat use by Hen Harriers Circus cyaneus on Orkney: implications of land-use change for this declining population

Agriculture & Biology

• Circus cyaneus 100%
• land use change 74%
• hens 56%
• habitats 35%
• grasses 34%
• grazing 25%
• pastures 24%
• Calluna vulgaris 21%
• sheep 21%
• Sturnus vulgaris 20%
• Sturnidae 19%
• heathlands 19%
• litters (young animals) 14%
• oviposition 12%
• vegetation 11%
• gender 9%
• breeding 9%

Earth & Environmental Sciences

• habitat use 69%
• hunting 61%
• land use change 55%
• grass 31%
• pasture 23%
• habitat 22%
• grazing 21%
• moorland 17%
• sheep 13%
• breeding 12%
• egg 11%
• litter 11%
• incubation 10%
• food 8%
• land use 8%
• vegetation 7%