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Creator:: Passmore, Michael Forrest
Abstract:: The occurrence of band-tailed pigeons (Columba fasciata) three mineral sites in Western Oregon was studied during the summers of 1974-1976. Objectives of the study were o: determine seasonal patterns of utilization of mineral sites by pigeons of different sex and age classes; determine productivity of pigeon populations associated with Mineral...
Resource Type:: Masters Thesis
Full Text:: Long Tom site were lowest during the last week of August, which indicated few pigeons completed two

Creator:: Miles, A. Keith
Resource Type:: Masters Thesis
Full Text:: WEEKS Fig. 2. Number of mourning doves counted on the Iron County, Utah route, 1967-1969. Week I is the

Creator:: Crowley, David W.
Abstract:: Breeding habitat of Harlequin ducks (Histrionicus histrionicus) was studied in eastern Prince William Sound, Alaska, during 1991 - 1993. Streams in Prince William Sound were surveyed for Harlequin ducks and monitored with mist nets. Physical characteristics of 24 Harlequin breeding streams were compared to those of 24 streams not used...
Resource Type:: Masters Thesis
Full Text:: throughout. Biologist Tom Rothe greatly contributed to my collection of Harlequin literature. Researcher

Creator:: Esler, Daniel
Abstract:: The 1989 Exxon Valdez oil spill was a major perturbation of nearshore habitats of Prince William Sound, a wintering area for harlequin ducks (Histrionicus histrionicus). This research was designed to evaluate harlequin duck population recovery from the oil spill from 1995 to 1998, using a demographic approach to assess both...
Resource Type:: Dissertation
Full Text:: Ballachey, Merav Ben-David, Jim Bodkin, Tim Bowman, Terry Bowyer, Tom Dean, Larry Duffy, Greg Golet, Steve

Creator:: Dzinbal, Kenneth A.
Abstract:: Harlequin ducks (Histrionicus histrionicus) were observed during the summers of 1979 and 1980 in Sawmill Bay, northeast Prince William Sound, Alaska. Harlequins were associated with a short, medium gradient, non-glacial stream (Stellar Creek) also used by salmon. Although harlequins nested along Stellar Creek, they apparently did not establish home ranges...
Resource Type:: Masters Thesis
Full Text:: assistance they provided. Mary Sangster, Bill Colgate, Bill Eldridge, Tom Rothe, the women who crewed the

Creator:: Devries, James H.
Abstract:: The habitat use, movements, and behavioral energetics of unsuccessfully breeding female canvasbacks (Aythya valisineria) were examined during the preflightless period in southern Manitoba during 1989-90. Following breeding attempts, unsuccessful females generally expanded their home range on the breeding area, remained there for up to one month, preferentially used large semipermanent...
Resource Type:: Masters Thesis
Full Text:: my parents, Tom and Lorraine Devries. Their unfailing support, encouragement, and interest

Creator:: Rizzolo, Daniel J.
Abstract:: I investigated the relationship between harlequin duck (Histrionicus histrionicus) behavior and lack of recovery from the Exxon Valdez oil spill in Prince William Sound, Alaska. First, I evaluated the hypothesis that harlequin ducks in winter have little flexibility to increase foraging time in response to disturbance because they are constrained...
Resource Type:: Masters Thesis
Full Text:: Bowman, Lisa DeMatteo, Adrian Gall, Tom Fondell, Elizabeth Manning, Ellie Mather, Pam Parker, John

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