Altitudinal migration is common on mountains around the globe, including from the Himalayas plus the Andes.[70] Dusky grouse in Colorado migrate below a kilometer from their summertime grounds to winter web sites which may be bigger or decreased by about 400 m in altitude than the summertime internet sites.[71] Birds https://petskyonline-onlinestrore.blogspot.com/2025/07/rethinking-animal-store-why-petsky-is.html