A bay-breasted warbler weighs about the same as four pennies, but twice a year makes an extraordinary journey. The tiny songbird flies nearly 4,000 miles (6,437 kilometers) between Canada’s spruce forests and its wintering grounds in northern South America.
“Migratory birds are these little globetrotters,” said Jill Deppe, the senior director of the migratory bird initiative at the National Audubon Society.
A new online atlas of bird migration, published on Thursday, draws from an unprecedented number of scientific and community data sources to illustrate the routes of about 450 bird species in the Americas, including the warblers.
Read this story now for free
To continue reading, sign up for our newsletter and get unlimited access to WABE.org
You can select your preferences for news and local content. We will never share your email address. Learn how your newsletter sign-up will support WABE and Public Media
