Hawk Ridge Bird Observatory Publications and Related References
Anderson, R. 1982. Band-tailed Pigeon at Hawk Ridge. Loon
54:249. Backstrom, P. 1990. Very late date for Swainson’s hawk.
Loon 62:57. Bardon, K.J. 2009. Mississippi Kite at Hawk Ridge.
Loon 81:158. Bardon, K. J. 2011. Mississippi Kite in St. Louis
County. Loon 83:47. Bardon, K. J. 2012. Fall Diurnal Migration
of Passerines and other non-raptors at Hawk Ridge and Lake
Superior, Duluth – 2007-2011. Loon: in press. Beckett, S. R. and
G. A. Proudfoot. 2011. Large-scale movement and migration of
Northern Saw-whet Owls in Eastern North America. Wilson J.
Ornithology 123 (3): 521-535 (used banding data including from
Hawk Ridge) Bildstein, K. L., W. S. Clark, D. L. Evans, M.
Field, L. Soucy, & E. Henckel. 1984. Sex and age differences in
fall migration of Northern Harriers. J. Field Ornithology 55(2):
143-150. Bildstein, K.L. 2006. Migrating raptors of the world,
their ecology and conservation. Cornell University Press,
Ithaca, NY U.S.A. Includes inform