Fig. 5
Diet of Prairie Rattlesnakes across the North American range and relation to venom phenotype. a Proportion of each prey class by state or grouped above (n = 20) or below (n = 64) the 39th latitude. Only states with more than one prey item are displayed. MT = Montana (n = 3), CO = Colorado (n = 25), KS = Kansas (n = 22), NM = New Mexico (n = 25). b Comparisons of LD50 values between SVMP-rich venoms, myotoxin-rich venoms, and purified myotoxin a against NSA mice and Anolis lizards