Canadian Wildlife

Animal Welfare Concerns in Wildlife Research and Management

Posted on May 8, 2017

Author Gilbert PROULX CWBM 6 (1): 1–3. Correspondence: Alpha Wildlife Research & Management Ltd., 229 Lilac Terrace, Sherwood Park, Alberta, T8H 1W3, Canada. Email: gproulx@alphawildlife.ca   View Full-Text    Download...

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A Comparison of Calving and Post-calving Photo-surveys of the Bluenose-East Herd of Barren-ground Caribou in Northern Canada in 2010

Posted on May 8, 2017

Author Jan ADAMCZEWSKI, John BOULANGER, Bruno CROFT, Tracy DAVISON, Heather SAYINE-CRAWFORD, and Boyan TRACZ CWBM 6 (1): 4–30. Correspondence: J. Adamczewski, GNWT ENR, Box 1320, Yellowknife, Northwest Territories, X1A 2L9, Canada. Email: jan_adamczewski@gov.nt.ca Abstract Two photographic survey methods have long been used in Canada’s Northwest Territories and Nunavut to estimate herd size in migratory barren-ground caribou herds (Rangifer tarandus groenlandicus). The calving photo-survey provides an estimate of the abundance of breeding females on the calving grounds in June and can be...

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Demographic and Reproductive Characteristics of New Brunswick River Otter Populations Based on 13 Years of Harvest Data

Posted on May 8, 2017

Author Roderick Eugene CUMBERLAND and Jean-Michel DeVINK CWBM 6 (1): 31–41. Correspondence: R. E. Cumberland, Maritime College of Forest Technology, 1350 Regent Street, Fredericton, New Brunswick, E3C 2G6, Canada. Email: rcumberland@mcft.ca Abstract Long-term biometric datasets for North American river otters (Lontra canadensis) are sparse and few have been analyzed to assess factors influencing harvest rates. We analyzed demographic data from over 6,000 trapper-harvested otter carcasses between 1997 and 2010 from a mandatory carcass submission program. Variations in annual harvest was most...

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Demography and Life History of a Manitoba, Delta Marsh Population of Franklin’s Ground Squirrels (Poliocitellus franklinii)

Posted on May 8, 2017

Author Ellen M. PERO, and James F. HARE CWBM 6 (1): 42–52. Correspondence: E. M. Pero, 6624 Mountview Ct., Brighton, Michigan 48116, USA.  Email: elmpero@gmail.com Abstract Concerns over population declines and disappearances persist for Franklin’s ground squirrels (Poliocitellus franklinii) throughout the American Midwest, yet little is known about even basic aspects of this species’ ecology. We live-trapped a free-living population of Franklin’s ground squirrels near Delta Marsh, Manitoba over the course of 4 years. We analyzed population demographics and life history traits, including...

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Unusually High Trap Catches of a Snake Egg Parasitoid, Nicrophorus pustulatus (Coleoptera: Silphidae) in the Frontenac Axis Population of Gray Ratsnake Pantherophis spiloides

Posted on Nov 2, 2016

Author Michael G. C. BROWN and David V. BERESFORD CWBM 5 (2): 25-31. Correspondence: M. G. C. Brown, Environmental and Life Sciences, Trent University, 2140 East Bank Drive, Peterborough, Ontario, K9J 7B8, Canada. Email: michbrown@trentu.ca Abstract Nicrophorus pustulatus was recently identified as a parasitoid of eggs of gray ratsnake (Pantherophis spiloides), northern ringneck snake (Diadophis punctatus) and eastern fox snake (Elaphe gloydi). We sampled Nicrophorus spp. near gray ratsnake hibernacula in the Frontenac Axis region, Ontario, using carrion-baited aerial traps set 6 m...

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Habitat Use by Harlequin Ducks (Histrionicus histrionicus) during Brood-rearing in the Rocky Mountains of Alberta

Posted on Nov 2, 2016

Author Beth MacCALLUM, Chiarastella FEDER, Barry GODSALVE, Marion I. PAIBOMESAI, and Allison PATTERSON CWBM 5 (2): 32-45. Correspondence: Beth MacCallum, Bighorn Wildlife Technologies Ltd., 176 Moberly Drive, Hinton, AB, T7V 1Z1, Canada. Email: ovis@bighornwildlife.com Abstract Prefledging waterfowl are vulnerable to an array of mortality agents and are often spatially restricted. Factors affecting habitat use by brood-rearing harlequin duck (Histrionicus histrionicus) females at the home range scale were investigated in the east slope of Alberta’s Rocky Mountains. Generalized linear models...

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