论文信息 - FIRST SPECIMEN RECORDS FOR RUFFED GROUSE IN COLORADO

FIRST SPECIMEN RECORDS FOR RUFFED GROUSE IN COLORADO

Ruffed Grouse were reported from Col-orado by Cooke (1898) and Sclater (1912).Cooke (1898) mentioned that a single bird hadbeen collected from a small flock south ofDenver in December 1894 and that otherswere seen on 3 January 1898 near SweetwaterLake, Garfield County. Although the AOUCheck-list (1957) included northwestern Col-orado in the range of Ruffed Grouse, morespecific references (Aldrich and Duvall 1955,Aldrich 1963) did not. Bailey and Niedrach(1965:254) were unable to locate specimensfrom the state but suggested that “it is proba-ble that a few dwell in the rough country adja-cent to the Utah line.” Reported sightingsexist for La Plata County (1947; Reddall 1976),Larimer County (1899; Cooke 1900), andMontrose County (1948; Bailey and Niedrach1965). More recently (1971), one was reportedfrom Routt County (Martin et al. 1974). How-ever, Hoffman and Braun (1978) concluded thatall reported Colorado observations were of BlueGrouse (

C. Braun | T. Remington | R. W. Hoffman | Renzo J. Delpiccolo

[1] C. Braun,et al. Characteristics and Status of Ruffed Grouse Bonasa-Umbellus and Blue Grouse Dendragapus-Obscurus in Colorado USA , 1978 .

[2] C. D. Marti,et al. Birds of Utah , 1976 .

[3] P. H. Baldwin,et al. Recent Records of Birds from the Yampa Valley, Northwestern Colorado , 1974 .

[4] R. J. Moran,et al. Ruffed Grouse Introductions and Population Trends on Michigan Islands , 1963 .

[5] J. Aldrich. Geographic Orientation of American Tetraonidae , 1963 .

[6] Wa Palmer. Ruffed Grouse Flight Capability over Water , 1962 .

[7] F. Hamerstrom,et al. Distribution of American gallinaceous game birds , 1956 .

[8] F. A. Pitelka. The Birds of the Uinta Basin, Utah Arthur C. Twomey , 1942 .

[9] W. L. Sclater. The Birds of Colorado , 1912 .

[10] J. Henderson. A History of the Birds of Colorado , 1912 .

[11] W. W. Cooke. Further notes on the birds of Colorado , 2022 .