Red grouse by sheep. Conservation measures taken on foot of the judgment have seen the population in the area double from 400 to 800. The red grouse is considered a game bird and is shot in large numbers during the shooting season which traditionally starts on August 12, known as the Glorious Twelfth. There is a keen competition among some London restaurants to serve freshly killed grouse on August 12, with the birds being flown from the moors and cooked within hours. Shooting can take the form of 'walked up' (where shooters walk across the moor to flush grouse and take a
Greater sage-grouse 20–50%. In another Montana study, sagebrush cover averaged 30% on a cock-use area, and no cocks were observed in areas of less than 10% canopy cover. Some females probably travel between leks. In Mono County, California, the home range of marked females during one month of the breeding season was , enough area to include several active leks. DNA from feathers dropped at leks showed that about 1% of grouse may travel long distances to explore breeding areas up to 120 miles away, a type of long-distance dispersal that can potentially boost populations and temper inbreeding. Within a week to