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Razorback Sucker Xyrauchen texaneus FE, SE <br />Humpback Chub Gila cypha FE, ST <br />Colorado Pikeminnow Ptychocheilus Lucius FE, ST <br />Colorado Roundtail Chub Gila robusta SC <br />Bluehead Sucker Catostomus discobolus SC <br />Flannelmouth Sucker Catostumus latipinnis SC <br />*Federal Endangered (FE), State Endangered (SE), State Threatened (ST), State Species of <br />Special Concern (SC) <br />Hernetiles <br />Reptiles and amphibians were neither expected nor observed during the field surveys due to <br />ambient air temperature at the time. Existing vegetation communities were taken into <br />consideration and species found in those communities in Mesa County are listed in Table 4. The <br />list includes habitat adjacent to the pits that is not part of the mining. <br />Table 4. Potential amphibians and reptiles in the GRGP vicinity (NDIS 2009). <br />Common Name Scientific Name Mesa County Status* Mesa County Abundance* <br />Canyon Treefro H la arenicolor Known to occur Locally Common <br />Great Basin S adefoot Sea intermontana Known to occur Locally Common <br />Northern Leopard Fro Rana i iens Known to occur Common <br />Western Chorus Fro Pseudacris triseriata Known to occur Common <br />Woodhouse's Toad Bu o woodhousii Known to occur Common <br />Collared Lizard Crota h tus collaris Known to occur Common <br />Fence Lizard Scelo orus undulates Known to occur Common <br />Racer Coluber constrictor Known to occur Uncommon <br />Western Terrestrial Garter Snake Thamno his elegans Known to occur Uncommon <br />Western Whi tail Cnemido horus ti ris Known to occur Common <br />Collared Lizard Crota h tus collaris Known to occur Common <br />Fence Lizard Scelo orus undulatus Known to occur Common <br />*The abundance and status is according to DOW in suitable habitat in Mesa County and not <br />necessarily GRGP and vicinity. This information is relatively out of date (circa 1999 last <br />update). As a result, abundance for northern leopard frog is more likely uncommon currently. <br />Discussion <br />Undisturbed, the Gunnison River canyons and associated riparian vegetation communities offer <br />some of the higher wildlife diversity and populations in the where the Southern Rockies and <br />Gunnison River Gravel Pit I'll Wildlife Information