Recognizing dangerous snakes in the United States and Canada: a novel 3-step identification method.

  title={Recognizing dangerous snakes in the United States and Canada: a novel 3-step identification method.},
  author={Michael D Cardwell},
  journal={Wilderness & environmental medicine},
  volume={22 4},
The rapid and accurate recognition of dangerously venomous snakes following bites is crucial to making appropriate decisions regarding first aid, evacuation, and treatment. Past recommendations for identification of dangerous North American pit vipers have often required subjective determinations of head shape or relied on traits shared with some nondangerous species (elliptical pupils and undivided subcaudal scales). Heat-sensitive facial pits are diagnostic but require close examination of… CONTINUE READING


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Showing 1-10 of 16 references

A Field Guide to Western Reptiles and Amphibians

  • RC Stebbins
  • 2003
Highly Influential
8 Excerpts

Bites by venomous reptiles in the Americas

  • RL Norris, SP Bush
  • Auerbach PS, ed. Wilderness Medicine. 5th ed
  • 2007
Highly Influential
7 Excerpts

The Venomous Reptiles of the Western Hemisphere

  • JA Campbell, WW Lamar
  • Ithica, NY: Cornell University
  • 2004
Highly Influential
7 Excerpts

A Field Guide to Reptiles and Amphibians – Eastern and Central North America

  • R Conant, JT Collins
  • 1998
Highly Influential
4 Excerpts

A case of envenomation from a non - venomous snake ?

  • L Laskowski-Jones
  • Wilderness Med
  • 2009

A case of envenomation from a nonvenomous snake? Wilderness Med

  • L. Laskowski-Jones
  • 2009
1 Excerpt

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