I thought you might be interested in the following abstracts, which I turned
up in a literature search last year.
Site...8 older turbines at Princeton Wind Farm, a forested site near the
Watchusett Mountain State Forest and hawk watch Massachusetts.
Date...Surveys conducted in autumn and winter, 1993.
Findings...Zero bird fatalities recorded. (Jacobs, 1995, Paper presented at
Wind Power '94, Minneapolis, MN)
Site...2 modern turbines at farmland site in Copenhagen, 30 miles inland
from Lake Ontario, New York.
Date..Surveys conducted during spring and autumn migration seasons, 1994.
Findings...Zero bird fatalities recorded. (Cooper and Johnson, 1995, Proc.
American Wind Energy Association Conference, 1996)
Site...8 modern turbines at farmland site in Somerset County, Southwestern
Pennsylvania.
Date..Surveys being conducted now through May 2001.
Findings...June, July results show Zero bird fatalities. (Curry & Kerlinger
study.)
Site......11 modern turbines at forested site near Searsburg, Vermont.
Date.......Surveys conducted in June through October, 1996.
Findings...Zero bird fatalities recorded. (Kerlinger, 2000, in press,
National Wind Coordinating Committee Volume)
Site...200+ turbine site at Buffalo Ridge, a farmland area near Lake Benton,
Minnesota
Date...Surveys conducted 1997-1999.
Findings...About 2 dozen avian fatalities recorded. Zero raptors or
endangered /threatened species. (Strickland, 2000, in press, National Wind
Coordinating Committee Volume.)
Site...35 modern turbines located on farmland on the Door County peninsula,
Wisconsin
Date...1998-99
Findings...2 song bird fatalities. Unpublished data.
Site...5,400 turbine site (mostly older) on grassland, Altamont, California
Date...Surveys conducted 1989-1991.
Findings...Significant raptor mortality recorded. (Exceptionally high raptor
and prey density.) Small numbers of some other species involved. (Orloff and
Flannery, 1992, 1996. California Energy Commission Report, other reports.)
Date...1998 through 2000.
Findings...Same as previous studies. Significant raptor mortality recorded.
(National Renewable Energy Lab report)
Site...2,700 modern and older turbines at desert site San Gorgonio Pass in
Palm Springs area, California.
Findings...Recent studies indicate very few bird fatalities. (Anderson,
California Energy Commission, 2000, in press, National Wind Coordinating
Committee Volume)
Site...3,700 modern and older turbines in study at rangeland/arid grassland
site, Tehachapi Pass, California.
Findings...Recent surveys indicate low (perhaps moderate) level of avian
mortality. Small numbers of raptors. (Anderson, California Energy
Commission, 2000, in press, National Wind Coordinating Committee Volume)
Site...29 turbine site (modern) on cattle and bison rangeland at Ponnequin,
Colorado.
Date...Surveys conducted 1998-2000.
Findings...7 song bird fatalities recorded. Zero raptors or
endangered/threatened species. (Curry and Kerlinger unpublished data
provided to National Audubon Society and U.S. Fish and Wildlife Service.)
Site...38 modern turbines on wheat and grazing lands at Vansycle, Umatilla
County, Oregon
Date...Surveys conducted 1999.
Findings...8 song bird and 4 game bird fatalities. Zero raptors or
endangered/threatened species.(Report to Umatilla County Dept. of Resource
Services and Development.)
Site...105 modern turbines on rangeland near Arlington, Wyoming.
Date...Surveys conducted 1998 through the end of this year.
Findings...More than 60 bird fatalities. Mostly songbird migrants, 3
raptors. (Report to U.S. Fish and Wildlife Service.)
I also have some further references (without abstracts) if anyone is
interested.
I might add that from what I read the major sites of bird fatalities on
towers were on large communications towers (such as TV and radio masts) that
had lights operating on them at night.
Ralph Reid
Sydney
Birding-Aus is on the Web at
www.shc.melb.catholic.edu.au/home/birding/index.html
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