|"Squeak, whistle, squeak!"|
His mate joined him, and they sang a duet.
|"Whistle, squeak, whistle." And the squeakiest "Tweet, tweet, tweet!" I've ever heard.|
The female may repeat a single, soft, high-pitched note that has been called “unlike any other calls in nature”; apparently this signals her readiness for copulation. (From All About Birds)The photos are poor; the eagles were far away. I wished, later, that I had had the camera on video, to get the female's call.