They were magnificent, powerful creatures in varying hues of gold and brown.
None of the Petrels are endowed with any brilliant colouring - sootyblack, grey of various tints (one of which is often called "blue"), and white being the only hues the plumage exhibits.
But the golden and purple hues described by Herodotus may be the colours of sunrise rather than the actual hues of the purple heron.
The walls of the building are reveted with marbles of various hues and patterns, arranged to form beautiful designs, and traces of the mosaics which joined the marbles in the rich and soft coloration of the whole interior surface of the building appear at many points.
It is, however, in the face that the most remarkable disposition of vivid hues occurs, more resembling those of a brilliantly coloured flower than what might be expected in a mammal.