tp copperhead survey
TRANSCRIPT
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Copperhead Snake Population Survey
PARTICIPANTS
Marc EalyArea Manager
Nannie M. Stringfellow WMA
Texas Parks & Wildlife Department
Phil HuxfordMember, Texas Master Naturalists
Cradle of Texas Chapter
Member, Friends of Brazoria
Wildlife Refuges
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Typical Data
Snake ID number
Capture date
Length – Head to Cloaca (inches)
Length – Head to Tail
Notes (e.g. RC = Recapture)
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Reference
Texas Snakes:
A Field Guide(Texas Natural History Guides)
James R. Dixon (Author)
John E. Werler (Author)
Regina Levoy (Illustrator)
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Comparison
May-
September
March-
November
Observed
activity
Four yearsSeveral years
Length of
study
Two hours/
eveningAll night
Daily search
window
About 1/4 acreEntire Range
Geographic
Area
Ealy-HuxfordDixon-WerlerStudy
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Observations
• Length – adult – up to 27”
• Length shortly after birth – average 11”
• Don’t travel more than 0.5 mile
• Think they’re invisible
• Move slowly
• Strike quickly
• Climb palmettos
• Rarely climb trees (fall off)