Migration Update: April 16, 2008

Today's Report Includes:

  • This Week's Maps, Data, and Highlights >>
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  • Spotlight: Eagles on the Move >>
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  • Explore: Eyeing Eaglets >>
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  • Links: This Week's Bald Eagle Resources >>


Parents bring baby eaglet dinner in the nest.
Photos courtesy Eagles Online,
First Light Power

Maps, Data, and Highlights

The eagles have scattered! This is an exciting time of year for tracking eagle migration. Peter Nye writes, "What has most surprised me is the path these birds are taking. They all seem to go in somewhat different directions and routes to get to their destinations."

Peter Nye has tracked mature bald eagles for many years. Each year as April approaches he marvels at the same phenomenon, "I have been surprised at how fast they move out. Once they decide to go, they cover hundreds of miles in just days, again, making it impossible to keep up with them."

A quick look at this week's map and you will have to agree with Nye!

Golden Eagle


(map)
Bald Eagles

(map/data)
  • This week's migration maps
    • Bald Eagles >>
    • Golden Eagle >>
  • Bald Eagle Data >>
  • Questions about this week's map >>
Spotlight: Eagles on the Move

Nye has also observed the eagles' fidelity from year to year to the same migration routes. Visit the spring 2007 map to study and compare as the spring 2008 migrations unfold.

  • Spring 2007 Eagle Map >>
  • Spring 2008 Eagle Map >>

U21— Spring Journey
Eagle U21 has re-traced her steps to the roost on the north shore of Lake Superior. She was in the same area last November on her way south to her wintering grounds in NY State.
Between April 4, when she started out, and April 13, her most recent sighting, she has flown more than 600 miles.
How many miles of flight per day is she averaging?

U25— Spring Journey
Eagle U25 appears to be following the same path she took in spring 2007.
Like U21, she flew about 600 miles between April 8 and April 14.

Which eagle will be next to arrive at their 2007 nesting site? Make a prediction and then return next week for an update.

Explore: Eyeing Eaglets

Take a close look at baby eaglets in the nest. It is hard to believe these little creatures will grow to be magnificent bald eagles! How would you describe them? Learn how the eaglets beaks, talons, and wings will be used to help them survive.

  • Eyeing Eaglets >>

Eyeing Eaglets >>
Links: This Week's Eagle Resources
  • EagleCam: Visit an eagle's nest LIVE! See the newly hatched eaglet! Link to video of eaglet hatching. Will the other egg hatch? >>
  • Reference: Adaptations that Help Eagles Survive >>
  • Journey North for Kids: Eagles >>
  • Journal: Bald Eagle Journal >>
More Eagle Lessons and Teaching Ideas!

The Next Bald Eagle Migration Update Will Be Posted on April 23, 2008.