Raptor Resource Project: Bald Eagle and Bird of Prey Cams

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February 18, 2025: It’s C-C-C-Cold Outside!

February 18, 2025 RaptorResource

Even by February-in-Iowa standards, it was cold this morning! The coldest post-egg temperature ever recorded in Decorah happened on March 3, 2015, when the mercury dropped to -24F: a record! But we came pretty close today with a recorded temperature of -15F from about 5:00AM through about 7AM this morning. Eagles are well-suited to cold, but we’re still glad to see things warming up! If you’re feeling chilly just watching – I know I am! – grab a warm drink

Peek inside a bald eagle egg: 4 days!

February 18, 2025 RaptorResource

What do embryonic eagles look they look like as they develop and grow inside their eggs? Peek inside a Bald Eagle egg at four days!

Read more Decorah Eagles, Decorah North Eagles, News

Please join us for our first egg fundraiser on Saturday, February 22!

February 17, 2025 RaptorResource

It took a bunch of really passionate people to come together on behalf of raptors and it’s going to take even more to keep our work going! If you’d like to help us, please donate here: https://www.raptorresource.org/support-the-raptor-resource-project/make-a-donation/ Please join us for our first egg fundraiser on Saturday, February 22! With two eggs at Decorah North, more coming at Trempealeau and Fort St. Vrain, multiple eagle tracking projects, two banding stations in partnership with three colleges, an exciting research opportunity involving

Read more Decorah North Eagles, News, Trempealeau Eagles

Bald Eagles, Eggs and Cold Weather

February 17, 2025 RaptorResource

Cold weather often raises concerns among Bald Eagle watchers. Will their favorite eagles keep their eggs warm and dry in sub-zero temperatures and snow? Eagles don’t have central heating or electric blankets, but they have everything they need to incubate their eggs through the worst a Midwestern winter can throw at them: meticulously built nests that aid incubation and withstand winter’s chill, highly vascularized brood patches that transfer body heat directly to their eggs, and remarkably robust eggs. In short:

Read more Decorah Eagles, Decorah North Eagles, Fort St. Vrain Eagles, News

Happy Second Egg/Valentine’s Day!

February 14, 2025 RaptorResource

Roses are red/ Violets are blue/We love our eagles and an egg or two! If you had a Valentine’s Day egg on your calendar, congratulations! DNF laid her second egg of the year at 3PM today. She’s keeping them warm, as eagle mamas do – two eggs in the nest, a Valentine’s view! Happy Valentines Day to friends and eagle fans near and far! I hope Mr. North shows his love with an especially nice fish gift for DNF tonight.

Who’s That Bird?

February 14, 2025 RaptorResource

It’s Julie 90/Z, a 2019 hatch from the Ford Parkway Bridge in Minneapolis, Minnesota! She’s being courted by Zazu 18/U, a 2022 hatch from Bay State Milling in Winona. Julie has been chased out by resident female falcons at GSB and USB La Crosse since at least 2023. Will 2025 be her year? Thanks to Rosieann for the excellent capture! Falcons are coming back and we always need help getting band numbers. You can find all of our falcon cams

February 12, 2025: Mr. North Meets His Egg!

February 12, 2025 RaptorResource

Mr. North is in his happy place! He met egg #1 for the first time this year at 7:05 this morning. We all love to see an incredible eagle Dad get his first glimpse of the egg…especially when he’s as dedicated as Mr. North! I’m hesitant to forecast egg #2 given how thoroughly DNF surprised us, but if she sticks to her usual schedule, look for it on Friday afternoon. If you’d like to hang out and celebrate eggs or

How long does it take a bald eagle to lay an egg?

February 11, 2025 RaptorResource

How long does it take a bald eagle to lay an egg? We think that female bald eagles begin laying eggs five to ten days after productive mating begins.

Read more Decorah Eagles, Decorah North Eagles, Fort St. Vrain Eagles, News

Egg #1 For DNF!

February 11, 2025 RaptorResource

Squeeeeee! DNF surprised us with her first egg today! Prior to this, she laid her earliest egg last year, on February 15. Why did her first laying schedule advance so much this year? We’re not sure: photoperiodism overall determines when eagles lay eggs (https://www.raptorresource.org/2025/01/28/flashback-blog-when-will-our-eagles-lay-eggs-bald-eagle-breeding-in-iowa-and-florida/) but temperature and humidity can influence earlier or later laying within an eagle’s schedule. Maybe the record warmth and lack of snow cover made it easier for her to gain the resources she needs for egg

February 10, 2025: NestFlix and News from Decorah North and Fort St. Vrain!

February 10, 2025 RaptorResource

Put up your feet and take a deep breath…it’s time for NestFlix! Today’s Diction-aerie word is ‘eggnant’: a female eagle’s condition immediately prior to laying eggs. Our bald eagle Moms are shifting fat to their brood patches and retaining water as their egg follicles swell and mature. We’re planning to begin egg watch on Friday, but we’ll also be watching for DNF, Mrs. T, and Ma FSV to begin loafing around the nest and ‘practice’ laying as eggs draw nearer!

Read more Decorah North Eagles, Fort St. Vrain Eagles, News

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