Effects of deterrents on avian abundance and nesting density in electrical substations in Oklahoma

Article Abstract:

Wildlife can cause damage at electrical substations, and snakes have been a traditional cause of damage. Snakes are likely to be seeking birds which are nesting at substations, and heavily damaged stations show more evidence of nesting birds. Two bird deterrents have been tested in Oklahoma, sodium-iodide lights and electronic distress calls, and neither appear to have made much impact on reducing the abundance of birds or their nesting. Pyrotechnics have proved effective bird deterrents at facilities where fih are reared, but it is not practical to use them at substations.

Wildlife management, Control, Snakes, Bird pests, Bird control

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Population characteristics and winter ecology of black bears in Coahuila, Mexico

Article Abstract:

The black bears which have recolonized western Texas are apparently from northern Mexico. Demographic characteristics of black bear in Sierranias del Burro, Coahuila support the hypothesis. Population density, low mortality and high productivity have made Serranias del Burro a reservoir from which black bear migrations start. Genetic comparisons still has to be done to pin-point the exact origins of the Texas-colonizing bears. Wildlife managers should educate the public and private landowners on bear biology and behavior to counter the negative attitude towards the bears.

Demographic aspects, Animal colonies, Colonial animals

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Testing a Mahalanobis distance model of black bear habitat use in the Ouchita Mountains of Oklahoma

Article Abstract:

The relocation of black bears in different areas of Ouachita Mountains of Arkansas and Oklahoma was studied with the help of Mahalanobis distance model and its utility for anticipation of regional suitability of the species was proved.

Arkansas, Oklahoma, Analysis, Natural resources, Habitat selection, Homes and haunts, Ouachita Mountains

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