And for my part, being neither self conceited nor an ornithologist, I am willing to confess that I have once or twice been so badly deceived that now the mere sight of this pipilo is, so to speak, a means of grace to me.
"Birds in the Bush"
Bradford Torrey
If self-possession be four fifths of good manners, our red-eyed pipilo may certainly pass for a gentleman.
"Birds in the Bush"
Bradford Torrey
Other parallels are to be found in the genera Psaltriparus, Thryomanes and pipilo.
"The Subspecies of the Mountain Chickadee Vol. 17, No. 17, pp. 505-515"
Joseph Grinnell