Cooperators are in general agreement that the long awaited turn-around in the grouse cycle occurred in 1994. Many expressed the view that ruffed grouse are on the increase.Urbain, J. WMichigan Dept. of Natural Resources
--Michigan State College of Agriculture and Applied Science. Dept. of Zoology, 1937. Includes bibliographical references (leaves 114-126). LW Fisher 被引量: 33发表: 0年 Ruffed Grouse Habitat Use, Reproductive Ecology, and Survival in Western North Carolina 2005 . Ruffed grouse habitat use, ...
in some Hertfordshire Birds In the absence of reports of the incidence of this parasite in British birds since those of Seligman and Sambon 3 (in grouse), Woodcock 4 (in ... BAKER,J. R - 《Nature》 被引量: 29发表: 1958年 RUFFED GROUSE AND AMERICAN WOODCOCK STATUS IN MICHIGAN, 2005 ...
Michigan State University.Clark, Margaret Elizabeth.Michigan State University.Clark, M. E. 2000. Survival, fall movements and habitat use of hunted and non-hunted ruffed grouse in northern Michigan. Dissertation, Michigan State University, East Lansing, Mi, USA....
A survey was completed to determine the number of people hunting sharp-tailedgrouse, the number of days hunting, and the number of sharp-tailed grouseharvested in Michigan. In 2010, 2,571 hunters obtained a free sharp-tailed grousestamp ... BJ Frawley 被引量: 0发表: 0年 ...