Monthly Archives: November 2017

What a year!

What a year it has been! Our banding season stretched from late May to early July this year, although a combination of black flies, hippoboscids, extreme weather, and reduced productivity caused our numbers to fall. In 2017, we banded 58 falcons at 22 sites as compared to 77 falcons at 25 sites in 2016. We also replaced cameras and microphones at many of our nests, started a new partnership with Explore to provide an ads-free stream of the Decorah Eagles,

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

Videos: pole-vaulting sticks, nuzzling, net visitors!

In Decorah, Mom brings in a pole-vaulting stick. Although eggs are still about three months away, Mom and Dad work on the nest bowl together and do a little nuzzling under IR candlelight. Meanwhile, Mr. North eats with his mouth open (check out the size of that bite!) and a bluejay, pesky squirrels, and an intrepid crow all visit the nest – and the Norths! I really enjoyed all of these videos, but especially liked Mom and Dad Decorah under

A Veterans Day Thank You from the Raptor Resource Project

A Veterans Day thank you from all of us at the Raptor Resource Project! November 11, Veterans Day, honors and celebrates the service of all military veterans. Thank you to our veterans for their patriotism, love of country, and willingness to serve and sacrifice for the common good. You heard the call of duty and left the lives you knew to answer it. When we think of veterans, we usually think of the people we know. But our veterans also