Crown, throat, and nape, deep black: cheeks yellowish white.
P. palustris, Temm. Man. d'Orn. torn. 1. p. 291. Marsh Titmouse, Mont. Orn. Diet. Selb. Illust. vol. 1. p. 237. pl. 51. f. 4. Bew. Brit. Birds, vol. 1. p. 282.
Entire length four inches six lines; length of the bill (from the forehead) four lines, (from the gape) four lines and a half; of the tarsus eight lines; of the tail two inches two lines; from the carpus to the end of the wing two inches four lines and a half: breadth, wings extended, seven inches ten lines.
Crown of the head, nape, and throat, deep black; cheeks yellowish white: upper parts of the body gray tinged with brown: wings and tail bluish gray, the edges of the feathers somewhat paler: breast and belly white, faintly tinged with grayish brown: bill black, stronger and more conical than in the next species: feet bluish gray. (Egg). White, with a few dark red spots: long. diam. seven lines and a half; trans, diam. six lines.
Not an uncommon species in woods and thickets. Has a loud shrill note, repeated quickly several times in succession, heard very early in the year. Food insects and seeds, occasionally flesh. Builds in the holes of decayed trees: nest composed of moss and the seed-down of the willow, and lined with the last mentioned material. Eggs from six to eight in number.