Hey bird, what's the word? itemlive.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from itemlive.com Daily Mail and Mail on Sunday newspapers.
A lightweight device attached to the butterflies is helping scientists track their flight across the country, revealing the scope of their journey as well as the food and rest stops they make along the way.
As monarch butterflies gear up to fly south for winter, NH scientists observe the journey nhpr.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nhpr.org Daily Mail and Mail on Sunday newspapers.