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Greater short-horned lizards (Phrynosoma hernandesi) are one of the 'horned toads' beloved of children. They were recently split from the short-horned lizard into this species and the pigmy short-horned lizard, P. douglasii. As a group, the short-horned lizards are among the most widely distributed of all North American lizards. I took these pictures on the Pawnee Grasslands in northeastern Colorado on a hot summer day.
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