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
Dusky grouse summer, other green plants ("Pteridium, Salix"), berries ("Gaultheria, Mahonia, Rubus, Vaccinium"), and insects (particularly ants, beetles, grasshoppers) are more important. Chicks are almost entirely dependent on insect food for their first ten days. Males sing with deep hoots on their territory and make short flapping flights to attract females. Females leave the male's territory after mating. Dusky grouse The dusky grouse ("Dendragapus obscurus") is a species of forest-dwelling grouse native to the Rocky Mountains in North America. It is closely related to the sooty grouse ("Dendragapus fuliginosus"), and the two were previously considered a single species, the blue grouse. Adults