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Articles 121 - 123 of 123
Full-Text Articles in Behavior and Ethology
Wolf-Pack Buffer Zones As Prey Reservoirs, L. David Mech
Wolf-Pack Buffer Zones As Prey Reservoirs, L. David Mech
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
Abstract. In a declining herd, surviving deer inhabited overlapping edges of wolf- pack territories. There, wolves hunted little until desperate, in order to avoid fatal encounters with neighbors. Such encounters reduce wolf numbers and predation pressure and apparently allow surviving deer along territory edges to repopulate the area through dispersal of their prime, less vulnerable offspring into territory cores.
Canis Lupus., L. David Mech
Canis Lupus., L. David Mech
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
Order Carnivora, Family Canidae. The genus Canis includes eight species. Approxi- mately 24 New World and eight Old World subspecies of C. lupus are recognized, the number depending on authorities accepted. For summary, see Mech (1970); for full synonymy, see Pocock (1935), Goldman (1944), Ellerman and Morrison- Scott (1951), Novikov (1956), and Hall and Kelson (1959).
Factors Affecting Nesting Success Of The Canvasback In The Aspen Parklands, Jerome H. Stoudt
Factors Affecting Nesting Success Of The Canvasback In The Aspen Parklands, Jerome H. Stoudt
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
The Minnedosa study area is located in the southwestern portion of Manitoba just south of the town of Minnedosa. It is 90 square miles in size and roughly square in shape. The Aspen Parkland, in which the study area is located, is characterized by gently rolling terrain and black soils. Mixed farming is the rule with emphasis on small grain production consisting of wheat, barley, and oats. Roughly 50 percent of the water areas in the parkland are ringed with aspen, Populus tremuloides, and large blocks of aspen are interspersed throughout the area. The Minnedosa area differs because of …