An amazing feat for a tiny creature!
Weighing the same as a small carrot, every year, this rare North American songbird travels nearly 4,000 miles round trip, across mountain ranges, the body of a continent, the Gulf Stream and open ocean. Most of this journey has been a mystery, until now.
Read more: http://www.smithsonianmag.com/smithsonian-institution/scientists-track-first-time-one-rarest-songbirds-its-yearlong-migration-180962390/#jGmhL26dY4bCE5Bh.99
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The journey of the Kirtland’s warbler is discovered thanks to a combination of the latest tiny technology and centuries-old solar location methods