Fort St. Vrain Eagles and Blogs

Peek inside a bald eagle egg: 4 days!

An embryonic bird at 33 hours

As of this writing, the last Decorah egg is 22 hours old, the last Decorah North egg is 9 days, 23 hours old, and the last Fort St. Vrain egg is 12 days, 22 hours old. What do embyronic eagles look they look like as they develop and grow inside their eggs? Dr. Peter Sharpe from the Institute for Wildlife Studies developed a table of bald eagle embryonic development based on work done by Hamburger and Hamilton (1951). While not all

First egg for Decorah North, third egg for Xcel Fort St. Vrain

February 21, 2020: DNF's first egg

Where are we with eggs? A quick round up! Decorah North DNF laid her first egg on February 21, 2020 at 3:36 PM – on the same day and just thirteen minutes later than she laid her first egg in 2019. If the pattern holds, look for egg number two to arrive around 12:23 PM on February 24! The first egg to hatch this year will be DN11. Labor and egg: First egg for the season! Egg laying:

Sweet Eagle Dreams!

February 19, 2020: DNF slumbers on the nest

This blog on eagle sleep was first published in 2017. I thought about it after watching Mr. North and DNF slumbering on their perches last night. Both eagles appeared to be sleeping very deeply. Were they dreaming? Do Bald Eagles Dream? Do bald eagles dream? Some footage of Mrs. North (Amy’s note: the first Decorah North female) got us discussing it. In the video, Mrs. North appears deeply asleep, with her head tucked underneath her wing. At eleven seconds, she starts

First egg of 2020 at Xcel Energy Fort St. Vrain!

February 14, 2020: 1st egg at Xcel Energy Forth St. Vrain

We have our first egg of the season – a Valentine’s Day egg! – at Xcel Energy’s Fort St. Vrain cam! Ma laid her first egg at about 5:55 pm Mountain Time. Congratulations to the Fort St. Vrain Eagles and thanks so much to the Fort St. Vrain fans for capturing the moment! Elfruler has a video here: You can watch the Xcel Fort St. Vrain eagles here: and here: If you visit our website, be sure

Courtship, copulation, and other things romantic!

February 5, 2020: Body brushing - Mom and DM2 stand wing to wing in the nest

This is a traditional Valentines Day post for us, but we decided not to wait this year…just in case one of our eagle pairs lays eggs early! Bald eagle courtship Bald eagles are famous for their whirling nuptial flight, but eagle courtship includes any activities that establish a new pair bond or renew an existing one. At our Decorah, Decorah North, and Fort St. Vrain nests, courtship usually begins in early October. Bonded pairs start working on their nests by

« Older Entries