Rusty blackbirds are here with slate-coloured junco, and we see a pair of purple finches.
"The New North"
Agnes Deans Cameron
Some birds are so sharp and nervous and emphatic in their movements, as the common snowbird or junco, the flashing of whose white tail quills expresses the character of the bird.
"Ways of Nature"
John Burroughs
My junco was a little nervous at first and showed her white quills, but she soon grew used to my presence, and would alight upon the chair which I kept for callers, and upon my hammock-ropes.
"The Wit of a Duck and Other Papers"
John Burroughs