Hidden in the canopy, a northern parula warbler, perhaps a southbound migrant, gave a weak version of its song.
From the charlotteobserver.com
Then he follows the flight of a parula warbler.
From the time.com
A short stroll down the greenway to the next flock revealed an American redstart, Blackburnian warbler, Northern parula, common yellowthroat and Eastern wood-pewee.
From the charlotteobserver.com
Even a Northern parula, a tiny blue, yellow and chestnut warbler, came down from its usual haunts at the tops of mature oaks to check out what all the fuss was about.