Raptor Resource Project Blog

There were a lot of comments about eagle growth rate on Facebook this morning. According to Gary R Bortolotti, bald eagles may gain more ...

 Mother eagle sheltering her young Despite today's snow, ice, and rain, the eagle family is doing fine. The parents were very carefu...

Eagles incubate for roughly 34-37 days, according to a number of online sources. Last year, the Decorah eagles laid three eggs: one on Febru...

On 3/11/11 I made my first of many big river surveys for falcons on cliffs.  My first stop was under Leo's Bluff near Waukon Junction, I...

The Decorah Eagles laid their third egg today! PeggyJean posted this nice closeup. In his book " Oology and Ralph's Talking Eggs ...

One of the Decorah eagles enjoys a squirrel on Christmas morning. I am glad to see it after a day's absence. It struck me, as I was goin...

Recently we have been asked by the USFWS to install some falcon nest boxes on cliffs in pool 13 upstream of Clinton, IA. We have not studied...

Sunday 4/18/10 falcon survey on Mississippi River I set off early Sunday morning and made my directly to the Agri-Bunge stack house in M...

Greetings, I had received a report of a falcons stooping on a Red-tail hawk near Goose Island cliff south of La Crosse, WI. On Saturday I ga...

Some of the birds we watched have really struggled this spring. They face many challenges, including weather (the snowstorm at the Fort St....

As our readers know, the falcon Bella died of Frounce earlier this week. Bob and I were scheduled to go up to Cohasset to band, but he stopp...

Here are some random banding pictures - enjoy! Bob and Jeremy on Maiden Rock. It's nice to get a good ledge! This was Bob's 100th ra...

Any excuse to go to Duluth is good, but peregrine banding is my favorite! This year, Elizabeth, Rebekah, and Isaac joined Bob, Jeremy, and m...

You know you've been to a lot of falcon bandings when everyone ignores the banders to take pictures of the rattlesnake sunning itself ju...

April 2nd and 3rd River Survey I began this river survey starting at the small cliff on the confluence of the Root River and the Mississippi...

The Blue Meany, Migrating Raptors and the Falcon Effigies of the Mississippi River For the better part of five decades, the Peregrine falcon...

March 21st 2009 Mississippi River cliff survey for peregrine falcons I arrived at Leo’s Bluff at 9:00 AM and met with Pat Schlarbaum and two...

First Mississippi River falcon survey on 3/13/09 Report by Bob Anderson I met Dave Kester and Leo, his son just outside of Waukon Junction, ...