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• EXHIBIT "D" <br />Threatened and Endangered Species <br />The following is an excerpt from a wildlife study conducted by Mariah and <br />Associates of Laramie, Wyoming. <br />None of the five species listed as "endangered" by the Federal Register <br />(January 17, 1979) that could possibly occur on the project area (American <br />peregrine falcon, northern bald eagle, whooping crane, black-footed <br />ferret, and gray wolf) were encountered during wildlife studies conducted <br />during 1979-1980 at Seneca II Mine. A bald eagle sighting did occur in <br />1978 on the study area (Texas Instruments, 1978). The individual sighted <br />was a flyover, however, and was not observed either hunting or perching on <br />habitats on the study area. <br />Bald eagles generally nest in tall trees within a half mile of permanent <br />water (Snow, 1973) since successful nesting usually requires a dependable <br />and readily available food supply generally consisting of fish (Spencer, <br />1976). The nearest potential nesting habitat for bald eagles occurs on <br />the Yampa River, which flows in an east-west direction, approximately six <br />miles from the northern border of the study area. The nearest known <br />winter roosting site for bald eagles occurs near Craig, Colorado. Amore <br />complete evaluation of the status of bald eagles in the study area is <br />provided under the Avifauna-Raptors section presented previously. <br />Peregrine falcons use cliffs most commonly as their nesting sites (Snow, <br />1973). Preferred nesting cliffs are generally quite high, often overlook <br />water, and allow an extensive view of the surrounding countryside (Hickey, <br />1942). Areas such as these are not present in the vicinity of the Seneca <br />II study area. Occasional sightings have been made of the peregrine <br />falcon in surrounding environs (Colorado Field Ornithologist, 1978), but <br />there are no indications that the species occurs on or near the study <br />area. <br />. A number of whooping cranes have been hatched and raised by sandhill crane <br />foster parents in a USFWS experimental program at Gray's Lake National <br />