Western Pygmy Rattlesnakes (Sistrurus miliarius streckeri), family Viperidae, Missouri, USA
Venomous.
photograph by Chad Wallis
seen from United States

seen from T1
seen from Norway
seen from United States

seen from Netherlands

seen from Norway
seen from Türkiye
seen from United States
seen from China
seen from China

seen from Singapore
seen from China

seen from United States
seen from China
seen from United States
seen from Italy
seen from China

seen from T1
seen from Singapore
seen from Canada
Western Pygmy Rattlesnakes (Sistrurus miliarius streckeri), family Viperidae, Missouri, USA
Venomous.
photograph by Chad Wallis
Some variation among Carolina pygmy rattlesnakes..on the left is either axanthic (which means it's lacking yellow color pigments) or anerythristic (lacking red), center is one from the southern end of the range, where they intergrade with the Dusky pygmy rattlesnakes (a different, darker subspecies), and on the right is from the northeastern part of their range where most individuals tend to have a reddish color
Dusky Pygmy Rattlesnake from the Florida Panhandle
by Arizona Field Herping and Photography
Western Massasauga (Sistrurus tergeminus), family Viperidae, Kansas, USA
Venomous.
photograph by Yinan Li
Carolina Pygmy Rattlesnakes (Sistrurus m. miliarius), juvenile, family Viperidae, SC, USA
Venomous.
photograph by Bailey Andrews Peacock
Eastern Massasauga (Sistrurus catenatus), mother and pups, family Viperidae, found int he Great Lakes area of the US and Canada
Venomous.
photograph by Bob Ferguson
Dusky Pygmy Rattlesnake (Sistrurus miliarius barbouri), family Viperidae, found in the SE United States
Venomous.
photograph by Myke Clarkson
Western Pygmy Rattlesnakes (Sistrurus miliarius streckeri), family Viperidae, Missouri, USA
Venomous.
photograph by Peter Paplanus