Link to English Wikipedia entry: Black Hawk Eagle
Link to German Wikipedia: Tyrannenhaubenadler
Link to French Wikipedia: Aigle tyran
Link to EOL.org: Spizaetus tyrannus
Link to iNaturalist.org: Spizaetus tyrannus
Links to my pictures: Black Hawk Eagle
Binomial Links for Spizaetus tyrannus on www.guenther-eichhorn.com
Dr. Günther Eichhorn Travel Website
Soaring website