Screech IV

Shrill, high pitched, and twittering are common descriptions used for bald eagle vocalizations. Eagles do not have vocal cords. Sound is produced in the syrinx, a bony chamber located where the trachea divides to go to the lungs. Bald eagle calls may be a way of reinforcing the bond between the male and female, and to warn other eagles and predators that an area is defended.
To hear the call at National Geographic : [link]

Bald Eagle IUCN Red List Conservation status - Least Concern

For more see my Birds folder here [link]
Also see my Birds - Raptors`n`Vultures folder here [link]

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