two cranes in fly. flying white birds red-crowned crane, grus japonensis, with open wing, trees ad snow in background, hokkaido

action animal art asia asian background bird birds black blue cold copy couple courting courtship crane cranes crown crowned dance duo flight fly flying focus fowl frozen full grus hokkaido japan japanese japonensis length light love mate nature open outdoors outside pair red ritual season snow space sunset tancho trees two virility white wild wildlife wing winter with wooing