Tiny superheroes: Scientists confirm that these itty-bitty songbirds fly 1,500 miles nonstop over the Atlantic

New discovery has biologists calling the journey of the blackpoll warbler “one of the most extraordinary migratory feats on the planet."

Latest Stories from TreeHugger

Spring Cleaning 101

@TreeHugger on Twitter

Editors' Pick

WHAT'S HOT ON FACEBOOK