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Dimensions4144 x 2763
Original file size7.52 MB
Image typeJPEG
Color spaceUncalibrated
Date taken9-Jul-12 09:49
Date modified17-Jul-12 21:21
Shooting Conditions

Camera makeCanon
Camera modelCanon EOS-1D Mark IV
Focal length200 mm
Max lens aperturef/2.8
Exposure1/250 at f/32
FlashFired
Exposure bias0 EV
Exposure modeManual
Exposure prog.Manual
ISO speedISO 200
Metering modePattern
Southern Pacific Rattlesnake - Crotalus viridis helleri

Southern Pacific Rattlesnake - Crotalus viridis helleri

The southern Pacific rattlesnake is one of the nine subspecies of western rattlesnakes, which range across much of the western United States, Mexico and Canada. Like its relatives, the southern Pacific rattlesnake has a relatively hefty body and stubby tail, a triangular-shaped head, hooded eyes and elliptical pupils. Like not only rattlesnakes but also like the cottonmouth water moccasins and the copperheads, the southern Pacific rattler has a small opening, or heat-sensing organ called a loreal pit, on each side of its face, between its nostrils and eyes, giving it membership in the subfamily called "pit vipers."