"the red-eyed vireo may repeat the phrases in its song almost continually earning the colloquial "preacher bird" name." - does red-eyed count as rosy? Twitcher's "tick" is a sighting of a rare bird, or at least one you haven't seen and want for your list.

http://www.northalabamabirdingtrail.com/about_the_trail/listen_to_the_birds.aspx