Talk:Heterodon nasicus
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[edit] Northern range limit in Canada
Southwestern Manitoba must be correct. Although Behler and King (1979) mention northwestern Manitoba as being part of the northern limit of the range of this species, this does seem a bit too cold for them. And indeed, a range map for the species included in the same book shows southwestern Manitoba. Wright and Wright (1957) also mention southwestern Manitoba as being at the northern limit of their range. --Jwinius (talk) 12:00, 6 June 2008 (UTC)