著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) HAINSWORTH FR,Nectar characteristics and food selection by hummingbirds,Oecologia,,,1976,25,,101-113,https://cir.nii.ac.jp/crid/1572261551158437120,