Tag Archives: Eggs

Peek inside a bald eagle egg: 11 days!

Chicken embryos roughly 25% of the way to hatch

This blog was first published on March 23, 2017. We reposted it to give everyone a peek inside the eggs. As of this writing, the first Decorah egg is 11 days, 10 hours old, the second egg is seven days, 14 hours old, and the third egg is three days, 13 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

Peek inside a bald eagle egg: 4 days!

This blog was first published on March 23, 2017. We reposted it to give everyone a peek inside the eggs. As of this writing, the first Decorah egg is 3 days, 12 hours old, the first Decorah North egg is 4 days, 19 hours old, and the second Decorah North egg is 1 day, 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

Eggs and cold weather

04/18/18: Mrs. North incubates through the snowstorm

This blog was first published on Wednesday, February 26, 2014. It has been updated to reflect Mom’s new mate and includes some information about the Fort St. Vrain eagles as well. Everyone was worried about the eggs in Decorah back in 2014. Iowa was facing a polar vortex while Mom was laying and incubating eggs. While there have been other cold years, 2014 was one for the record books, with windchills of -50F when Mom laid egg #2. Given that 2019

When do we expect eggs in Decorah and at Decorah North?

02/18/29: Decorah North Nest

So when are we looking for eggs in Decorah and at Decorah North? In Decorah: Mom laid her first egg last year on February 2/21/18, at 7:28 PM CT. But new mate DM2 could push her schedule a little later. At Decorah North: We have no laying history on DNF whatsoever, but Mom Decorah and Ma FSV laid their first eggs ever in early March. Our best guess is late February or early March, but we’ve been wrong before! It

Do bald eagles delay incubation?

February 14, 2019: FSV

This blog was first published on Tuesday, March 29, 2016. It has been updated to reflect new knowledge and events. Do bald eagles delay incubation? It wasn’t an a question we’ve thought about much, since bald eagles in Iowa usually lay eggs in temperatures under – sometimes well under – freezing! However, 2016 was quite a bit warmer, and the eagles in Decorah and Fort St. Vrain seemed to spend more time off the first two eggs than we are used

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