"Blackpoll warblers have evolved a unique migration strategy," Holberton says.
Perhaps the most amazing songbird of all is the blackpoll warbler. In summer, this small black-and-white bird lives in forests stretching from Alaska to Nova Scotia.
I was astonished to see two male blackpoll warblers
on a bare branch right in front of me.
amazingly fly nonstop from our coast, directly south for several thousand miles entirely over the ocean, until they reach the northern coast of South America.
The appearance of blackpoll warblers
in late May and early June indicates that the spring warbler migrations are nearly over.
were also massing there, too, which is normal.