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Evaluation of a Korean Pheasant Introduction in Missouri
Larry L. Wollard, Rollin D. Sparrowe and Glenn D. Chambers
The Journal of Wildlife Management
Vol. 41, No. 4 (Oct., 1977), pp. 616-623
Stable URL: http://www.jstor.org/stable/3799981
Page Count: 8
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We evaluated the success of releases of 4,172 South Korean pheasants (Phasianus colchicus karpowi) in the Missouri River bottom in west-central Missouri by measuring dispersal, breeding effort, brood production, and survival during and after the 5 release years, 1967-71. Dispersal of tagged pheasants released at 2 sites in 1970 averaged 2.9 km; the farthest movement was 24 km. A winter survey in 1972 indicated that distribution of pheasants in the area approximated the annual dispersal limits. High initial mortality of released birds was suggested by recoveries of tagged birds released in 1970. Substantial numbers of broods reported by landowners in annual surveys, and moderate crowing cock indices for 6 years following the last release indicate a reproducing population that is stabilizing at a low density. Lack of suitable nesting cover may be a factor limiting further growth of this population.
The Journal of Wildlife Management © 1977 Wiley