Mountain Bluebird Weibchen, Mammoth Hot Springs, Yellowstone National Park (Wyoming), USA, am 17.09.2018 um 08:24:29 , © Norbert Silberhorn
Mountain Bluebird Weibchen, Mammoth Hot Springs, Yellowstone National Park (Wyoming), USA, am 17.09.2018 um 08:24:29 [Urheberhinweis & Kontakt]