Lake Erie watersnake COSEWIC assessment and status report: chapter 1
Assessment Summary
Assessment Summary – April 2006
Common name: Lake Erie watersnake
Scientific name: Nerodia Sipedon Insularum
Status: Endangered
Reason for designation: It has a small population, likely fewer than 1000 adults, confined to four small Canadian islands in western Lake Erie. Threats, which include loss of its shoreline habitats, mortality on roads, and destruction of hibernacula by quarries and construction, are increasing. Although persecution by people may be levelling off, it is still a significant threat to these snakes.
Occurrence: Ontario
Status history: Designated Endangered in April 1991 and in April 2006. Last assessment based on an update status report.
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