© O. Kosterin.  Holarctic species of Arctic and montane tundras.  This photo taken in a mossy tundra in the cirque of the the sources of the rivulet descending southward from the the Yuzhno-Chuiskii mountain range between the Chikty and Akbul Rivulet, 2600 m above sea level, the upper Dzhazator River basin, Kosh-Agach District, Altai Republic, West Siberia, Russia. 11 July 1998. Adapted from a posting on Wildlife Photography in Siberia and Central Asia by Oleg Kosterin.