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<br />' '~ <br /> <br />j site during the vegetation inventory or small mammal <br />d bi <br />d <br />d <br />R <br />til <br />hibi ~~ <br /> <br />- censuses. <br />r <br />es an <br />amp <br />an <br />ep <br />ans are probably <br />r- <br />~-- present in the habitats of <br />the study arez; however, the <br /> , <br />coolness of the season (October 13-18) may have restricted <br /> their activity, and consequently, a detection of their presence. <br /> ' 7-' <br /> An initial list of amphibians and reptiles potentially <br /> present at the study site and adjacent areas was compiled <br /> from regional publications (Maslin', 1959; Smith and Maslin, <br /> 1965; Stebbins, 1966; Peabody Coal Company, 1975; and <br /> Stearns-Roger, 1974). <br /> The initial list was refined based on a comparison of <br /> the actual habitats on the study site and adjacent areas with ~ <br /> the habitat requirements for each species which hzs population <br /> ranges in the region. Table 2.1 lists only those amphibians ~^ <br /> and reptiles potentially present in the actual habitats of the <br /> study site and immediately adjacent areas. <br /> <br /> The study site provides terrestrial habitat suitable i ~ <br /> for two species of lizards and two snakes: sagebrush lizard, '~ <br /> SceloAOrus graciosus; ezstern fence lizard, Scelooorus <br /> undulatus; western rzttlesnzke, Crotalus viridis; and parter r <br />• snake, Thamophis elecans. The lack of aouatic habitats y <br /> excludes the presence of aquatic herntofauna. fiowever, - <br />o inclusion of the adjacent aquatic habitats, intermittent f~ <br /> streams and ponds of Hayden and Dowden Gelches would add ~~ <br /> <br />five additionzl species to the list: one salamander, one ~~ <br />~ <br /> toad, two frogs and one snake. These are: tiger salamander, a <br /> Ambystoma tigrinum; boreal toad, Bufo boreas; chorus frog, ;~ <br /> Pseudacris triseriata; leopard frog, P.ana oiniens; and smooth `1 <br /> green snake, Opheodrys vernalis. <br /> •~~ <br /> 2.5 Birds <br /> r <br /> 2.5.1 Introduction - <br /> <br /> A bird census conducted in October identified some of ~ <br /> the species which utilize the site. The census results, <br /> which list the birds observed according to plant community <br /> usage, are presented in Table 2.2. Since many of the birds i <br /> in the Williams Fork Mountains occur only seasonally, the <br /> <br />the species <br />list of observed birds is not indicztive of al1 `~ <br /> _ <br />which may be found on the study site. However, a complete <br />~ <br /> list of birds for the study site would require censusing in <br /> all seasons over several years and is beyond the scope of _! <br /> this report. In addition to birds seen on the site, Table 2.3 <br /> lists those species which probably occur cn the site in other ' <br /> <br />seasons; this listinc is based on known distributions of bir::s, r~ <br />:~ <br /> .: <br /> <br /> -40- ~` <br />