Monday, May 7, 2018

Fwd: Bird migration explained at last: It’s all about energy efficiency - The Washington Post


---------- Forwarded message ---------
From: Suzanne Ortiz <ortizsv@gmail.com>
Date: Mon, May 7, 2018, 2:51 PM
Subject: Bird migration explained at last: It's all about energy efficiency - The Washington Post
To: Peter Dorosh <prosbird@gmail.com>




https://www.washingtonpost.com/news/speaking-of-science/wp/2018/05/07/bird-migration-explained-at-last-its-all-about-energy-efficiency/


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