Question: What physical feature do members of the genus Streptocitta have in common with animals considered "piebalds?"

Context articles: Padding
Varmint rifle
Kalahari Basin
Streptocitta
Propagation path obstruction
Corinthian (comics)
Yogaville, Virginia
Natural barrier
Piebald
Grade (slope)

Padding is thin cushioned material sometimes added to clothes.
 Padding may also be referred to as batting when used as a layer in lining quilts or as a packaging or stuffing material.
 When padding is used in clothes, it is often done in an attempt to soften impacts on certain zones of the body or enhance appearance by 'improving' a physical feature, often a sexually significant one.
 In fashion, there is padding for:
Varmint rifle is an American English term for a small-caliber firearm or high-powered air gun primarily used for varmint hunting — killing non-native or non-game animals such as rats, house sparrows, starling, crows, ground squirrels, gophers, jackrabbits, nutria, marmots, groundhogs, porcupine, opossum, coyote, skunks, weasels, or feral cats, dogs, goats, pigs and other animals considered to be nuisance vermin destructive to native or domestic plants and animals.
The Kalahari Basin or Kalahari Depression is a large lowland area covering over 2.5 million km covering most of Botswana and parts of Namibia, South Africa, Angola, Zambia, and Zimbabwe.
 The outstanding physical feature in the basin, and occupying the centre, is the large Kalahari Desert.
 The city Windhoek is situated in the Kalahari Basin.
Streptocitta is a genus of large starlings in the family Sturnidae.
 Both species have a pied plumage and a long tail, giving them a superficial resemblance to a magpie.
 Although not closely related to the true magpies, they have therefore been referred to as magpies in the past.
 The two species are restricted to forests in Wallacea in Asia.
In telecommunication, a propagation path obstruction is a man-made or natural physical feature that lies near enough to a radio path to cause a measurable effect on path loss, exclusive of reflection effects.
 An obstruction may lie to the side, above, or below the path.
 Ridges, bridges, cliffs, buildings, and trees are examples of obstructions.
 If the clearance from the nearest anticipated path position, over the expected range of Earth radius "k"-factor, exceeds 0.6 of the first Fresnel zone radius, the feature is not normally considered an obstruction.
The Corinthian is a fictional character in Neil Gaiman's comic book series "The Sandman".
 He can first be seen in "The Sandman" #10 (October 1989), which is part of the second story arc, "".
 The Corinthian is a nightmare created by Dream, who destroys him in the same collection for going rogue and failing to fulfill his original design.
 Dream later recreates him with "some changes", though the exact nature of these changes is not explicit.
 His most notable physical feature is his lack of eyes: in their place, two rows of small, jagged teeth line each eye socket, which he often covers with sunglasses.
 He can speak, eat, see, and even respire through these mouths.
Yogaville is a census-designated place in northwestern Buckingham County, Virginia.
 The population as of the 2010 Census was 226.
 The interfaith yoga community Satchidananda Ashram - Yogaville is the major physical feature and population center of the CDP.
A natural barrier refers to a physical feature that protects or hinders travel through or over.
A piebald or pied animal is one that has a pattern of pigmented spots on an unpigmented (white) background of hair, feathers or scales.
 The spots are pigmented in shades of black and/or yellow as determined by the genotype controlling the color of the animal.
 The animal's skin underneath its coat may or may not be pigmented under the spots but the skin in the white background is not pigmented.
The grade (also called slope, incline, gradient, mainfall, pitch or rise) of a physical feature, landform or constructed line refers to the tangent of the angle of that surface to the horizontal.
 It is a special case of the slope, where zero indicates horizontality.
 A larger number indicates higher or steeper degree of "tilt".
 Often slope is calculated as a ratio of "rise" to "run", or as a fraction ("rise over run") in which "run" is the horizontal distance and "rise" is the vertical distance.