Eastern Bald Eagle Migration Update: March 21, 2000
Today's Update Includes:
Latest Migration Map and Data
Field Notes From Biologist Peter Nye
"Interesting! Looks like our new female Eagle #K58 may already be 'at her spot', near Alberton, Prince Edward Island! This is the extreme northwest tip of the Island, and would be our first eagle to nest in this Canadian Province. I wonder if the local residents know about a nest there. I smell a field trip! (When possible, we travel to the eagle's nest and band the young for future study.) Assuming she has reached her destination:
Heading Off the Migration Map
"Meanwhile, Eagle #K72 is also on the move! According to her reading on Sunday the 19th, she's heading off the map...
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How Much Do Eagles Weigh?
Discussion of Challenge Question #6
New Jersey 7th graders Jason & Marc of Iselin Middle School translated kilograms to pounds and then found other things that weigh the same as an eagle:
And How About Those Transmitters?
Challenge Question #14
Have you ever wondered about the effect the satellite transmitters might have on the eagles? As you can see from this picture, the transmitter is worn on the eagle's back--almost like a backpack. These backpacks are known as "PTTs", or "platform transmitter terminals". Each PTT package weighs approximately 100 grams (3 1/2 oz.), which is less than 2 percent of the body weight of an average bald eagle. How would it feel to carry such a backpack?
How to Respond to Today's Challenge Questions
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(#13 or #14).
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The Next Bald Eagle Migration Update Will be Posted on March 28, 2000.
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