Hollywood decided to replace the real bald eagle call which is a pretty wimpy high-pitched cackle. You can listen to the real call of the eagle here and a red-tailed hawk call here. Bald eagleRed tailed HawkSourceFollow Ultrafacts for more facts
The Grey Eagle (Harpyhaliaetus coronatus) [Águia Cinzentais] An Eagle which occurs from Argentina to Bolivia and generally in central Brazil . Although called an eagle, it is actually a large hawk. It lurks high in treetop branches. Flies over footpaths and riparian forests.
The Northern Hawk-Owl (Surnia ulula), or Northern Hawk-Owl in North America, is a non-migratory owl that usually stays within its breeding range, though it sometimes irrupts southward. It is one of the few owls that is neither nocturnal nor crepuscular. This is the only living species in the genus Surnia of the family Strigidae, the "typical" owls (as opposed to barn owls, Tytonidae). The species is sometimes called simply the Hawk Owl.