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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 >>
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Parents
bring
baby eaglet dinner in the nest.
Photos courtesy Eagles
Online,
First Light Power
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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) |
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- Questions
about this week's map >>
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Spotlight:
Eagles
on the Move
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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 >>
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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?
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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.
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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.
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Eyeing
Eaglets >> |
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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 >>
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The
Next Bald Eagle Migration Update Will Be Posted on April 23,
2008.
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