dusky pygmy rattlesnake - sistrurus miliarius barbouri

amazing animal apalachicola barbour barbouri beautiful biodiversity bite camouflage close coloration common crossing cryptic dangerous dusky fangs field florida forest found ground guide habitat harmless incredible miliarius national nature pattern pigmy pit pretty pygmy rattle rattler rattlesnake reptile research road scales sistrurus snake southern species states united venomous viper wetlands wild wildlife xeric