It varies in colour, but a black mark on the head like an inverted V remains nearly always visible.
The outsides of the ears have a white tip and a broad black mark occupying the greater part of the surface, but are white at the base.
Why has this tree a red flower, and this bird a black mark on the tail?
The version in ' additional images ' has a distinctive black mark.
The fact that a movie is made for broadcast or cable television usually gives it an automatic thick black mark in the hearts and minds of movie fans everywhere and not without reason.
