(原始内容存档于2021-02-17) (英语). Korber, Kathy; Gross, Doug. Eagle-Watching in Lower Susquehanna River, Lancaster and York counties. Pennsylvania Game Commission
diet of the great spotted eagle Aquila clanga at the mouth of the Belaya River. Karyakin, I. V. (2008). The Greater Spotted Eagle in the Altai-Sayan region
Prediction Center. 2012-04-08 [2017-02-10]. (原始内容存档于2016-03-04). Staff Writer. Florida Makes Survey of Damage from Rainstorm. The Reading Eagle. Associated
Science Center, Oakland G59: Maiden Lane Obs., Bainbridge Island G60: Carroll Observatory, Montecito G61: Pleasanton G62: Sunriver NatureCenter Observatory