"Scientists had long suspected that the blackpoll warbler had made its journey to the Caribbean over the ocean, but the study that began in the summer of 2013 when scientists attached tracking devices to the birds was the first time that the flight has been proven, according to results published Wednesday in the United Kingdom in the journal Biology Letters.
"'It is such a spectacular, astounding feat that this half-an-ounce bird can make what is obviously a perilous, highly risky journey over the open ocean,' said Chris Rimmer of the Vermont Center for Ecostudies, one of the authors."
Read more: http://www.washingtonpost.com/national/energy-environment/tiny-songbird-tracked-across-1700-miles-of-open-ocean/2015/03/31/5f27b03c-d7fb-11e4-bf0b-f648b95a6488_story.html
1,700 miles nonstop. How do they do it?