Excerpt - Front Matter: "... bird watchers. A good example of this is the Dark-eyed Junco (Juncohyemalis). With 12 subspecies, at least 5 are easily discerned: the ..."
Excerpt - page 1634: "... grayish blue to dark bluish gray. -slate'-blue' (slät'bl(To') adj. slate-colored junco (slätlkül'ard) n. A junco (Juncohyemalis) of eastern North America, having dark gray upper parts and ..."