Greater short-horned lizard COSEWIC assessment and status report: chapter 9

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Special Significance of the Species

Greater Short-horned Lizards are one of only five species of lizards that range into Canada and they are the only lizard species found in Alberta and Saskatchewan. The species occurs further north than any other members of Phrynosoma or, for that matter, any Iguanid lizard species, globally (Russell and Bauer 1993b). Where they do occur in Canada, they are found in scattered, isolated populations, comprising the northernmost extension of the overall distribution for the species.