COSEWIC status report on the Great Plains toad Bufo cognatus in Canada in COSEWIC assessment and status report on the great plains toad Bufo cognatus in Canada
Executive Summary: The Great Plains toad, Bufo cognatus, is a widely-distributed species in western North America. In Canada, it is restricted to south-eastern Alberta, southern Saskatchewan, and extreme south-western Manitoba where it is associated with mixed-grass prairie. Bufo cognatus is a grassland anuran adapted to survive and breed under xeric conditions. Fossorial habits and relatively […]
Retrospective investigation of captive red wolf reproductive success in relation to age and inbreeding
Abstract 10.1002/zoo.20224.abs The critically endangered red wolf (Canis rufus) has been subject to a strictly managed captive breeding program for three decades. A retrospective demographic analysis of the captive population was performed based on data from the red wolf studbook. Data analyses revealed a decrease in the effective population size relative to the total population […]