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Ms. Susan Linner <br />U.S. Fish and Wildlife Service <br />Page 4 <br />October 9, 2014 <br />Treaty Act (MBTA). Migratory birds, as well as their eggs and active nests, are <br />protected under the MBTA. Potential habitat typically includes trees and shrubs, but <br />upland grasslands also are used for nesting. At the time of the 2014 site visit, no <br />migratory bird or raptor nests were observed. <br />An active colony of black - tailed prairie dogs is located in the study area (Figure 2). <br />Although prairie dogs are no longer in line for protected status under the ESA, <br />Colorado Parks and Wildlife (CPW) recommends attempting to remove or exterminate <br />prairie dogs prior to bulldozing an active prairie dog town for humane reasons. <br />Currently, Adams County does not have a prairie dog management plan for properties <br />not on county -owned open space and park land. If removal of prairie dogs becomes <br />necessary, CPW recommends removing them in a humane manner before any <br />earthwork or construction takes place. Prior to any work that would disturb a colony <br />between March 15 and October 31, colonies should be surveyed for burrowing owls. <br />Burrowing owls are protected under the MBTA, and could be affected by prairie dog <br />removal. <br />Conclusion <br />The study area does not provide suitable habitat for federally protected species known <br />to occur in Adams County. Due to the lack of habitat and presence of known <br />populations of federally listed species potentially occurring in the study area, the <br />proposed project would likely have no effect on federally listed species potentially <br />present in the study area. The project is also not anticipated to result in new depletions <br />to the South Platte River and, therefore, would have no indirect effect on downriver <br />species. <br />In the event vegetation needs to be removed, the study area will be evaluated for <br />active migratory bird nests to ensure compliance with the MBTA. If relocation of <br />prairie dogs is planned between March 15 and October 31, a burrowing owl survey <br />should be conducted. If burrowing owls are found within the construction footprint, <br />individual nest burrows and a 150 -foot buffer around the burrow should be left <br />undisturbed until the owls have moved or migrated from the site, which can be <br />determined through monitoring (CDOW 2008). <br />Based on this habitat assessment, ERO, on behalf of Albert Frei & Sons, requests that <br />the Service concurs with ERO's determination that the project would have no effect on <br />listed species and that no further consultation under the ESA is required. After you <br />review this information, ERO would appreciate a written response with your <br />determination. <br />Please call if you need additional information or have any questions. I look forward to <br />hearing from you. <br />ERO <br />Resources <br />Corporation <br />