et al. Nesting productivity, food habits, and nest sites of bald eagles in Colorado and southeastern Wyoming.. The Southwestern Naturalist. 1992, 37 (4):
ISBN 0-7106-2537-5. Lucchesi, Claudio. "Brazilian Police Air Unit: São Paulo's Police Eagles". Air International, June 2000, Vol. 58, No. 6. pp. 376–378. Ripley, Tim
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