lark bunting calamospiza melanocorys perched on a barbed wire fence on the plains

adaptation alpestris animal anthropogenic avian barbed biology bird birding birds birdwatching bunting calamospiza carbon change climate climatic closeup colorado conservation conservatism distribution ecology environment eremophila extinction fence gases global greenhouse habitat indicator lark melanocorys microevolution migration natural nature niche ornithology outside perched plains richness science species temperatures threatened tourism warmdwelling warming wild wildlife wire