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2 Environments 7.B. - Page 55 <br /> review of the historical range of the species, suitable habitat in the action area,and the absence of <br /> barriers that would prevent passage of these species into or through the area (see Appendix D for a <br /> discussion of the selection criteria). The site assessment conducted for the BRS found no evidence <br /> of any of these endangered and special status species in the project area. <br /> • Central California coast steelhead (Oncorbyncbus mykiss iridieus). The central California <br /> coast steelhead (CCC) has been federally listed as threatened. Critical habitat for CCC <br /> includes estuarine waters. Wildlife corridors are routes that animals regularly and <br /> predictably follow during seasonal migration,dispersal from native ranges,daily travel <br /> within home ranges,and inter-population movements. While CCC could forage or rest in <br /> the area,Redwood Creek is not classified as spawning habitat. A survey was conducted <br /> along Redwood creek in August 1981 as part of a fish distribution study for the presence <br /> of steelhead trout. Neither the north branch nor the south branch site contained steelhead <br /> (Leidy 2005). The CCC was not observed during the site assessment and has a low <br /> potential of occurring within the project area. <br /> • Green sturgeon (Acpenser medirostris). The green sturgeon (GS) is listed as federally <br /> threatened by the NMFS. GS are commonly found in estuarine areas throughout the San <br /> Francisco Bay and are considered year round residents within the San Francisco Bay. The <br /> areas below the ordinary high water mark,including Redwood Creek,are designated as <br /> critical habitat. GS would migrate in and out of the area with the tides. Biologists <br /> determined that the likelihood for GS to occur within the immediate vicinity of the <br /> project is low. <br /> • Tidewater goby (Eucyclogobius newberrya). The tidewater goby (TG) is listed as a federally <br /> endangered species by the USFWS. TG was not observed during the site assessment. <br /> Typically,the TG is typically found in marshes, estuaries,and lagoons where water is still, <br /> but not stagnant. Redwood Creek is tidally influenced and receives stormwater runoff. <br /> The TG has a low potential occur within or near the project area. <br /> • California black rail (Laterallusjamaicensis cotimuculus). The California black rail (CBR) has <br /> been designated by the CDFW as threatened and fully protected. Tall grasses and dense <br /> areas of pickleweed near the tidal flooding zone of the creek provide suitable nesting <br /> habitat. CBR was not observed during the site assessment, and no suitable habitat was <br /> found within the proposed project area. The presence of adjacent suitable habitat <br /> suggests that CBR may occur within or near the project area. <br /> • California clapper rail (Rallus longirostris obsoletus). The California clapper rail (CCR) is <br /> listed as an endangered species by both the CDFW and USFWS. CCR was not observed <br /> during the site assessment, and no suitable habitat was found within the project area. <br /> However, areas surrounding the project area contain suitable habitat for the CCR. The <br /> CCR may be present within or near the project area. <br /> • California least tern (Stemula antillarum browns). The California least tern (CLT) is listed by <br /> the USFWS as endangered due to the loss of foraging and coastal habitat. No CLT were <br /> 2-15 US 101 Pedestrian Undercrossing and Bair <br /> Island Road Storm Drain Pump Station Project <br />