bothcountries_data_format_19feb2019_foragingtime_format
收藏资源简介:
Foraging times of individual birds on trees. country: country data was collected in (Nicaragua or Colombia); year: year data was collected (2015 or 2016); treesp: common name of tree species (see paper for species names); treeID: unique identifier for individual focal trees; bird.sp: common name (Colombia) or code (Nicaragua) for bird species observed); migratory_insectivore: binary dummy variable indicating if bird species was a primarily insectivorous migratory bird; total_sec: total number of seconds observed foraging in the focal tree; vol: canopy volume of the focal tree (meters cubed); prop_sec: proportion of the total observation period (600 seconds) that the individual bird was observed foraging; scale_vol: scaled canopy volume with mean zero.



