Forty-Eighth Breeding Bird Census
HABITAT STUDIES Forty-eighth Breeding Bird Census Edited by Willet T. and Aldeen C. Van Velzen HISYEAR, 127 Breeding Bird Cen- age size of censusblocks was 12.6 hec- List of Participants suseswere submitted, representing tares, with a range of from 2.6 to 64.8. Fred Abbott, R. Carroll Abbott, David thirty-one states and provinces, with The numberof pairscensused per square L. Alles, David A. Anderson, Ken An- Pennsylvania(26), California (10), and kilometerranged from 36 to 3213, and derson, Robert A. Askins, Harriette Colorado(10) having the highestnum- averaged574. The total numberof spe- Barker. Leon L. Barkman, Frederick M. bers. Of the censuses listed here, 32 ciesfound per censusranged from three Baumgartner,Seth Benz, Michael Bet- (25.2%) are new, and the longest-stand- to 48, averaging21.1. dine, Kris Billing, Dale E. Birkenholz, ing censuswas that of A. H. Claugus,of The datacompiled in the censuseslist- Shirley A. Briggs, J. Bristow, N. Bris- Licking County, Ohio (CensusNo. 70), ed in thetable below are being stored in a tow, Allison Brady, DorothyBroemsen, now in its 46th year. computerat the Laboratoryof Ornithol- ElizabethW. Brooks, Brooks Bird Club, A total of 168 observers.spending ogy at Cornell University. Requestsfor Lori Bross, J. Brotherton, Norman L. 4125 hours in the field, censused 1611.3 information on how to obtain these data Brunswig,A. R. Buckelew,Kyle Bush, hectares (3981.5 acres). The highest shouldbe directedto: GregoryS. Butch- DeborahByers, Victoria J. Byre, Antho- numberof hoursspent on any onecensus er, CooperativeResearch Program, Cor- ny C. Caprio, EugeneA. Cardiff, Hart- was 390, althoughapparently this total nell Laboratoryof Ornithology,159 Sap- sell Cash, E.
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