Grouse Mountain mild as the Lower Mainland. In December (the coldest month statistically), Grouse Mountain has an average high and low of and respectively. This freeze/thaw cycle can allow for large amounts of rain to fall on some occasions every winter. Nonetheless, heavy snow is more frequent in the winter, which allows for a deep snow-pack, lasting on average from mid-November until early May. Summer is warm and relatively dry. August is the warmest month, with an average high and low of and respectively. Grouse Mountain has built an observation deck (accessible by elevator) on a 1.5 megawatt wind turbine of Leitwind
Franklin's grouse Franklin's grouse Franklin's grouse ("F. franklinii") of British Columbia and the Rocky Mountains was recently split as a distinct species from "Falcipennis canadensis" and also consists of the subspecies "isleibi" in Prince of Wales Island and nearby Alexander Archipelago in southeast Alaska. It closely resembles the Spruce Grouse but the male's tail is entirely black lacking the chestnut terminal tail band of the Spruce Grouse, and has white spots overlying it. Territorial males are notable for their wing-clap display. At the end of a short flight through the trees, the wings are brought together over the back so as to