Tag Archives: Eaglets

Eaglet Growth and Development: Week Four

Three plumage stages are visible: natal down (head), thermal "down" (grey feathers), and juvenile plumage

We’re writing a series of blogs about the first few weeks of an eaglet’s life. An eaglet spends roughly 75 to 80 days in the nest. For about the first half, it grows and gains weight. For about the second half, it grows flight feathers and starts developing the skills it will need post-fledge. We will focus on week four in this blog. D32 and D33 are 26 and 23 days old. During week three (fourteen to twenty-one days), the

Eaglet Growth and Development, Week Two

April 11, 2019: Fish and more fish!

We’re writing a series of blogs about the first few weeks of an eaglet’s life. An eaglet spends roughly 75 to 80 days in the nest. For about the first half, it grows and gains weight. For about the second half, it grows flight feathers and starts developing the skills it will need post-fledge. We will focus on week two in this blog. In their second week of development, the eaglets will gain roughly two pounds between their 7th and

Eaglet Growth and Development: Week One

Day four: Let the beak battling begin!

We’re writing a series of blogs about the first few weeks of an eaglet’s life. An eaglet spends roughly 75 to 80 days in the nest. For about the first half, it grows and gains weight. For about the second half, it grows flight feathers and starts developing the skills it will need post-fledge. We will focus on week one in this blog. What can we expect in the first week following hatching? Like humans and other animals, growing nestlings

Hatch Watch at Xcel Fort St. Vrain!

2018: Three eggs at Xcel Fort St. Vrain

On hatch watch at Xcel Fort St. Vrain! Listen for an eaglet talking through its shell! https://youtu.be/LeMC541Cn1E So what happens right before hatch? The rapidly growing embryo is taking up nearly all the space in the egg. It has turned so that its head is at the large end of the egg next to the air space, pierced the internal membrane, and is breathing air with its lungs. It is taking the yolk sac into its body through its abdomen as it

Welcome to the World, DN4!

DN4

DN4 has hatched! We don’t have an exact time, but we know it was between 1:20PM and 3:14PM central time! The wind had Mom keeping a pretty tight lid on the newly hatched eaglet and eggs until it was time for for shift change. It was roughly 37 days and 21 hours, give or take a little, from the time the first egg was laid to the time it hatched. We’ll post videos here as soon as we have them.

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