American Robin Migration Update: May 4, 1999 Today's Report Includes:
Robins Spread Across Northern Canada & Across Alaska! At our observation post in Anchorage, the migration spread across town dramatically last Monday-Wednesday, as told by Mr. Rod Murray of Sand Lake Elementary:
Still Waiting for Robins..... In Kenai, Alaska, Mr. Vetters reports: "The caribou and snow geese are showing up, and the first run king salmon are starting to appear in the rivers...but...we have NOT seen any robins yet!" (billv@kpbsd.k12.ak.us) Let's hope we've heard from them before our final report later this month! How Do Robins Find Worms? Challenge Question #17 Robins spend much of their lives searching for one of their favorite foods, earthworms. Most scientists now conclude that they find these worms by vision, thanks to experiments by an ornithologist named Frank Heppner. In his experiments, he investigated all the robins' senses. To prove robins use vision, he needed to rule out the other senses robins might use to get information about worms. A list of the equipment he used is provided below. But think about this:
(To respond to this question, please follow
the instructions below.) Shy Country Bumpkins vs. City Slickers As you know, robins are nesting over most of the continent right now. In towns and cities, they seem calm and unafraid near people. But in wilder areas, especially in the northern forest, they are very shy. Why the difference?
(To respond to this question, please follow
the instructions below.) How to Respond to Today's Challenge Questions 1. Address an e-mail message to: jn-challenge-robin@learner.org 2. Answer only one Challenge Question in each e-mail. In the Subject Line of your message write: Challenge Question # 17 (OR Challenge Question # 18). 3. In the body of your message, answer the question.
The FINAL Robin Migration Update Will Be Posted on May 18, 1999. Copyright 1999 Journey North. All Rights Reserved. Please send all questions, comments, and suggestions to our feedback form
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