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Seasonal mean perch height ± standard deviation of Iberian bullfinches in NW Spain, including all types of plant and ground, and available mean maximum hedge height ± standard deviation (AV.). Data correspond to 2001-2006. Winter: December to February. Spring: March to May. Summer: June to August. Autumn: September to November.n: number of records. Each "overall" record refers to an individual perched on a specific substrate, sighted and identified by sex and age, whether eating or not. Each "feeding" record refers to the same, but only if the individual was eating (overall records include feeding records). Number of individuals sighted: winter—166 males, 117 females; spring—368 m, 235 f; summer—265 m, 185 f, 696 juveniles; autumn—179 m, 132 f, 164 j. See "Methods" for further clarification of record definition regarding substrate use, and for detailed information on assessment of available mean maximum hedge height
Figures of the Article
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Partial view of the study area, located in NW Spain, showing the hedgerow network landscape in the foreground
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Seasonal habitat use by Iberian bullfinches in NW Spain considering proportion of occurrences for habitat components in a 25 m radius around bullfinch records (encounters with the species regardless of the number of individuals detected in each encounter). Data correspond to 2001-2006. Winter: December to February. Spring: March to May. Summer: June to August. Autumn: September to November. n: total number of occurrences of habitat components per season for 144 winter, 444 spring, 805 summer and 428 autumn bullfinch records
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Seasonal use of general substrates by Iberian bullfinches in NW Spain, differentiating sex and age. Data correspond to 2001-2006. Winter: December to February. Spring: March to May. Summer: June to August. Autumn: September to November. n: number of records. Each record refers to an individual perched on a specific substrate, sighted and identified by sex and age, whether eating or not. See "Methods" for further clarification of record definition regarding substrate use. Number of individuals observed: winter—166 males, 117 females; spring—368 m, 235 f; summer—265 m, 185 f, 696 juveniles; autumn—179 m, 132 f, 164 j. Other substrates ("Others"): low stake, pile of branches and fallen tree in spring; low wire fence, pile of branches and fallen tree in summer; power line in autumn
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Seasonal mean perch height ± standard deviation of Iberian bullfinches in NW Spain, including all types of plant and ground, and available mean maximum hedge height ± standard deviation (AV.). Data correspond to 2001-2006. Winter: December to February. Spring: March to May. Summer: June to August. Autumn: September to November.n: number of records. Each "overall" record refers to an individual perched on a specific substrate, sighted and identified by sex and age, whether eating or not. Each "feeding" record refers to the same, but only if the individual was eating (overall records include feeding records). Number of individuals sighted: winter—166 males, 117 females; spring—368 m, 235 f; summer—265 m, 185 f, 696 juveniles; autumn—179 m, 132 f, 164 j. See "Methods" for further clarification of record definition regarding substrate use, and for detailed information on assessment of available mean maximum hedge height
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