Bullsnakes (Pituophis catenifer sayi) in Alberta: literature review and data compilation
Alberta Sustainable Resource Development, 2003 - Snakes - 20 pages
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Alberta Species Alberta Sustainable Resource Baseline data biologists British Columbia bullsnake hibernacula bullsnake populations bullsnakes in Alberta bullsnakes observed Bullsnakes Pituophis catenifer Burrowing owl trend CFB Suffield Colubrid Colubrid Snakes COSEWIC Cottonwood Consultants 1987 Coulee Data Compilation data on bullsnakes Didiuk Drumheller Environment Canada Female bullsnakes Fish and Wildlife gopher snake Habitat loss Harlequin duck Herpetological Review hibernation sites individuals killed on roads lay their eggs located male Museum National Wildlife Area nesting sites Northern leopard frog number of snakes observations of bullsnakes owl trend block Peregrine falcon Pituophis catenifer sayi Pituophis melanoleucus deserticola prairie habitat prairie rattlesnakes prey records of bullsnakes Red Deer River Region of Alberta Review and Data road mortality Russell and Bauer small mammals snake populations snake species South Saskatchewan South Saskatchewan River southern Alberta Species at Risk Suffield National Wildlife survey and monitoring Sustainable Resource Development trend block survey typically unpubl Waye and Shewchuk Wildlife Division Wright