environmental assessment us border patrol, tucson sector

Table 3-1, continuedDouglas FOB EA DraftAugust 2011Common NameSouthwestern willowflycatcherScientific NameEmpidonax traillii extimusFederalStatus*Sprague's pipit Anthus spragueii CYellow-billed cuckoo Coccyzus americanus CFishesEPotential to Occur Within or Immediately Adjacent to AlternativeSitesNone; dense cottonwood/willow and tamarisk (Tamarix spp.) vegetationcommunities along perennial rivers and streams.None; inhabits native grasslands with vegetation of intermediate height andlacking woody shrubs.None; inhabits areas with dense blocks of riparian woodlands, particularlycottonwood, willow, or tamarisk galleries.Beautiful shiner Cyprinella formosa T, CHNone; inhabits small- to medium-sized streams and ponds with sand,gravel, and rock bottoms. While no habitat is present within the fouralternative sites, the species does occur approximately 3 miles southwest ofthe project area on the San Bernardino NWR.Desert pupfish Cyprinodon macularius E None; inhabits shallow springs, small streams, and marshes.Gila chub Gila intermedia E None; inhabits pools, springs, cienegas, and streams.Gila topminnowPoeciliopsis occidentalisoccidentalisELoach minnow Tiaroga cobitis TSpikedace Meda fulgida TYaqui catfish Ictalurus pricei T, CHYaqui chub Gila purpurea E, CHYaqui topminnowPoeciliopsis occidentalissonoriensisE, CHNone; inhabits small streams, springs, cienegas, and vegetated shallows.None; inhabits small to large, perennial streams with swift shallow waterover cobble and gravel. Recurrent flooding and natural hydrograph areimportant habitat characteristics.None; inhabits medium to large, perennial streams with moderate to swiftvelocity waters over cobble and gravel. Recurrent flooding and naturalhydrograph are important habitat characteristics.None; inhabits moderate to large streams with slow current movement oversand and rock bottoms. While no habitat is present within the fouralternative sites, the species does occur approximately 3 miles southwest ofthe project area on the San Bernardino NWR.None; inhabits deep pools of small streams near undercut banks and debris,pools associated with springheads, and artificial ponds. While no habitat ispresent within the four alternative sites, the species does occurapproximately 3 miles southwest of the project area on the San BernardinoNWR.None; inhabits small- to moderate-sized streams, springs, and cienegas andis generally found in shallow areas with aquatic vegetation or debris. Whileno habitat is present within the four alternative sites, the species does occurapproximately 3 miles southwest of the project area on the San BernardinoNWR.3-20