by William Swainson, Zoological Illustrations Series II… (1829)
“ Although not particularly striking in its plumage, this is one of the most interesting birds, to the ornithologist, which has yet been gleaned from the little known regions of Mexico. Closely allied, by its short and broad bill to the Flycatchers, it is principally distinguished from them by the absence of those bristles round the mouth, which almost invariably belong to purely insectivorous birds. ”
