A World on the Wing: The Global Odyssey of Migratory Birds by Scott Weidensaul Science/Technology Aspects Grandpa told Mom

Grandpa told Mom

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Booklist— "The beautiful ink-and-watercolor illustrations

' And she could have gone on to say

A World on the Wing: The Global Odyssey of Migratory Birds by Scott Weidensaul Science/Technology Aspects Grandpa told MomIn the past two decades, our understanding of the navigational and physiological feats that enable birds to cross immense oceans, fly above the highest mountains, or remain in unbroken flight for months at a stretch has exploded. What we've learned of these key migrations how billions of birds circumnavigate the globe, flying tens of thousands of miles between hemispheres on an annual basis is nothing short of extraordinary. Bird migration entails