Tag Archives: Bald Eagles

Watching Bald Eagles

November 7, 2017: Dad Decorah

This is a Friday Flashback post first published on April 26 of 2012. For new followers: Bob (Anderson) founded the Raptor Resource Project and was its first director. You can learn more about him here: https://www.raptorresource.org/about-us/remembering-bob-anderson/ Bob took a turn operating the controls at the Bald eagle camera this morning. He was fascinated by Dad, who brought in three suckers in one hour. Suckerfish are ‘rough’ fish: generally considered undesirable by humans, they have large scales, fleshy lips, and a

Eagle Eyes!

Human Eye versus Eagle Eye

Has anyone ever called you eagle-eyed? Relative to humans, bald eagles have larger, sharper eyes that see further, collect more details, and produce stereoscopic vision to greatly improve depth perception. A bald eagle’s visual acuity begins with its eye size and shape. Dad’s somewhat tubular eyes occupy over 50% of the volume of his skull, as compared with less than 5% in us spherically-eyed human types.  He can voluntarily adjust the curvature of his large cornea and lens (we’re restricted