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The spot-breasted oriole (''Icterus pectoralis'') is a species of bird in the family Icteridae. It is a mid-sized songbird and generally typical oriole. It is bright orange overall with a black bib and black spotting on the sides of the breast. The sexes are similar looking generally but females and juveniles are olive-green on the back and tail, dusky wings, and little or no black on face, throat, or breast.〔()〕 Adults measure in length. Males weigh around on average, while females weigh .〔〔''CRC Handbook of Avian Body Masses'' by John B. Dunning Jr. (Editor). CRC Press (1992), ISBN 978-0849342585.〕 The wing bone measures , the tail measures , the culmen measures and the tarsus measures .〔''New World Blackbirds: The Icterids'' by Alvaro Jaramillo & Peter Burke. Christopher Helm Publishing (1999), ISBN 978-0713643336〕 It is native to Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, and the United States. Its natural habitats are subtropical or tropical dry forests, subtropical or tropical moist lowland forests, and heavily degraded former forest. The spot-breasted oriole ranges only on the Pacific side of Central America. An introduced breeding population also exists on the Atlantic coast of southern Florida. The population is considered to be established enough to be "countable" for birdwatchers by the ABA.〔 ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Spot-breasted oriole」の詳細全文を読む スポンサード リンク
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