. Brigham Young University science bulletin. Biology -- Periodicals. 10 Bricham Young University Science Bulletin to have declined between 1939 and the late 1960s. Peregrines also have been reported on Christ- mas bird counts both at Ogden and Salt Lake Cit)' over the past 30 years. In addition, they have been recorded at Parowan, Iron County, on 27 December 1963 (Audubon Field Notes 18; 1964) and at St. George, Washington County, on 1 January 1969 (Audubon Field Notes 23; 1969). Cliristmas bird count data for the areas other than the Bear River marshes are either too spotty or are too heterog
. Brigham Young University science bulletin. Biology -- Periodicals. 10 Bricham Young University Science Bulletin to have declined between 1939 and the late 1960s. Peregrines also have been reported on Christ- mas bird counts both at Ogden and Salt Lake Cit)' over the past 30 years. In addition, they have been recorded at Parowan, Iron County, on 27 December 1963 (Audubon Field Notes 18; 1964) and at St. George, Washington County, on 1 January 1969 (Audubon Field Notes 23; 1969). Cliristmas bird count data for the areas other than the Bear River marshes are either too spotty or are too heterogeneous in their method of collection to be evaluated statistically. The peregrine was recorded at Clear Lake State Waterfowl Management Area by R. Wil- liams on 16 September 1939, and by Gunther. Mi:^^'^5«^-»i. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Brigham Young University. Provo, Utah : Brigham Young University
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