Butler\u2019s gartersnake, Thamnophis butleri, is a state-threatened species in Wisconsin. This
\nspecies occupies open-canopy habitat, including both wetlands and adjacent uplands, but
\nvery little is known about the extent of use of upland habitats by the Butler\u2019s gartersnake.
\nWe studied how far T. butleri ranges into upland habitats adjacent to wetland hibernacula
\nin southeastern Wisconsin. We found that 25% of 329 observations of T. butleri were
\nwithin 63 ft (19 m) of a wetland edge; 50% within 138 ft (42 m), and 75% within 238 ft
\n(72 m). These observations provide an ecological basis for establishing protected buffer
\nzones around wetlands known to support T. butleri populations. Observations of the
\ncommon gartersnake, Thamnophis sirtalis, in the same habitat are compared with
\nobservations of T. butleri.<\/p>\n","protected":false},"excerpt":{"rendered":"
Butler\u2019s gartersnake, Thamnophis butleri, is a state-threatened species in Wisconsin. This species occupies open-canopy habitat, including both wetlands and adjacent uplands, but very little is known about the extent of use of upland habitats by the Butler\u2019s gartersnake. We studied how far T. butleri ranges into upland habitats adjacent to wetland hibernacula in southeastern Wisconsin. 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