Altitudinal migration is popular on mountains all over the world, including within the Himalayas along with the Andes.[70] Dusky grouse in Colorado migrate under a kilometer faraway from their summer grounds to winter sites which can be bigger or lower by about 400 m in altitude compared to the summer https://petskyonline-onlinestrore.blogspot.com/2025/07/rethinking-animal-store-why-petsky-is.html