In weasels without light facial markings the upper parts of the head all are brown.
Upper parts in summer Olive-Brown to Buffy-Brown; cranium flattened and relatively narrow; unicuspids and incisors relatively small.
Upper parts pinkish to blackish or dark grayish depending on amount of wear.
Allen) Figures 17-18 General tone of upper parts dark; size medium to large; skull of medium size; braincase narrowed.
Allen) Figure 7 General tone of upper parts grayish; cheeks and underparts white, more or less dulled by gray; size large; skull large.
Head crested; upper parts slate-blue; underneath white, and belted with blue or rusty.
Male and Female--Upper parts gray; darkest on wings and tail; back of the head and nape of the neck sooty, almost black.
Male -- Upper parts slate-colored; darkest on head and neck, which are sometimes almost black and marked like a cowl.
This oceanic bird differs from other petrels and shearwaters of Micronesia by the presence of a white abdomen in contrast with dark plumage on upper parts, throat, and breast.
Immature: Resembles adult, but black and white mottling on upper parts.
Over-all tone of upper parts lighter; underside of tail lighter.
Size smaller; general tone of upper parts lighter; base of baculum not widened but almost as narrow as least diameter of shaft.
To the southwest, on the other hand, a trend toward paler (pale brownish, less blackish) upper parts is apparent.
Wear on the pelage seems in general to produce a paler over-all color of upper parts, evidently due mostly to abrasion of the terminal black tip of the cover hairs, but possibly actual fading of the pelage is involved also.
From the more southern Perognathus flavescens copei Rhoads (topotypes examined but not at hand as I write), cockrumi differs in duller more blackish (less bright and less reddish) upper parts.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "upper parts" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
