Canadian Wildlife

A Comparison of First-Year Growth in Wild and Captive Muskox Calves

Posted on May 2, 2018

Author by Jan ADAMCZEWSKI, Peter FLOOD, Anne GUNN, Bernard LAARVELD, and Susan TEDESCO CWBM 7 (1): 67–89 Correspondence: J. Adamczewski, GNWT ENR, Box 1320, Yellowknife, Northwest Territories, X1A 2L9, Canada.  Email: jan_adamczewski@gov.nt.ca Abstract We measured seasonal changes in body composition, including fatness and fill in the digestive tract, in 79 muskox (Ovibos moschatus) calves shot by Inuit hunters in April, May, July, August, September and November, 1989-1993, on Victoria Island in northern Canada. We compared their growth to that of 3 calves born in captivity near Saskatoon...

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Impacts of Rotational Grazing and Hay Management on the Reproductive Success of Bobolink (Dolichonyx oryzivorus) in Eastern Ontario, Canada

Posted on Dec 5, 2017

Author by Nicole M. MacDONALD, and Erica NOL Correspondence: Environmental and Life Sciences, Trent University, Peterborough, Ontario, K9L 0G2, Canada.  Email: nicolemacdonald22@gmail.com Abstract We investigated the impact of beef cattle (Bos taurus) farm management, including rotationally grazed pastures and managed hayfields, on the reproductive success of bobolink (Dolichonyx oryzivorus) in eastern Ontario, Canada. Bobolinks nesting in fields grazed by cattle or cut for hay before 1 July had significantly lower reproductive success than those nesting in untouched fields. Bobolinks did...

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Getting Back to Normal: Space Use and Behaviour of Reintroduced and Wild Vancouver Island Marmots

Posted on Dec 5, 2017

Author by Jeffery R. WERNER Correspondence: Department of Zoology, The University of British Columbia, 6270 University Boulevard, Vancouver, British Columbia, V6T 1Z4, Canada. Email: werner@zoology.ubc.ca Abstract I report on initial conservation efforts to reintroduce captive-reared Vancouver Island marmots (Marmota vancouverensis) into historical natural habitat. The home range size, movements, time allocation, and behaviour of 25 reintroduced and 30 wild free-living Vancouver Island marmots were studied over 3 active seasons (May through October 2003-2005) to assess the performance and...

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Winter Habitat of the Boreal Woodland Caribou (Rangifer tarandus caribou) in the Northwestern Region of the Mistik Forest Management Area, Saskatchewan

Posted on Dec 5, 2017

Author by Gilbert PROULX, and Kevin GILLIS Correspondence: G. Proulx, Alpha Wildlife Research & Management Ltd., 229 Lilac Terrace, Sherwood Park, Alberta, T8H 1W3, Canada. Email: gproulx@alphawildlife.ca Abstract In January 2017, we surveyed the distribution of boreal woodland caribou (Rangifer tarandus caribou) in the northwestern region of the Mistik Forest Management Area (FMA), Saskatchewan, a region known for its extensive jack pine (Pinus banksiana) stands. A total of 209 individual caribou tracks were recorded along 10 transects totalizing 126,845 m. Tracks were significantly...

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The Impact of Wolf Predation on Western Canada Boreal Woodland Caribou Populations: A Critical Review of the Evidence

Posted on Dec 5, 2017

Author by Gilbert PROULX Correspondence: G. Proulx, Alpha Wildlife Research & Management Ltd., 229 Lilac Terrace, Sherwood Park, Alberta, T8H 1W3, Canada. Email: gproulx@alphawildlife.ca Abstract The boreal woodland caribou (Rangifer tarandus), which is listed as threatened by COSEWIC since 2002, is found across Canada but its status is deteriorating due to habitat loss, fragmentation, and degradation, predation, weather, starvation, diseases and parasites, accidents, and human hunting, poaching and recreational activities. Nonetheless, in the last 2 decades, predation by wolves (Canis...

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The Editor’s Report – Volumes 4 to 6

Posted on Dec 5, 2017

Author by Gilbert PROULX Correspondence: G. Proulx, Alpha Wildlife Research & Management Ltd., 229 Lilac Terrace, Sherwood Park, Alberta, T8H 1W3, Canada. Email: gproulx@alphawildlife.ca 5-News-Comments-Vol-6-Issue-2   View Full-Text    Download...

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