Considered by some authors to be a subspecies of Southern Riverbank Warbler (Myiothlypis rivularis). References See References. Files: More Information Articles about the Northern Riverbank Warbler If you would like to read any articles about the Northern Riverbank Warbler... Show Articles (0) No Pictures of Northern Riverbank Warbler If Birdpedia has no pictures of Northern Riverbank Warbler or you would like to see more, then try the following... From BING (4) No Videos of Northern Riverbank Warbler If Birdpedia has no videos of Northern Riverbank Warbler or you would like to see more, then try the following.. From BING (0)