The white frill is said to be the rarest, and birds exhibiting it have white necks even in winter.
Bartlett, that every ruff assumes tufts and frill exactly the same in colour and markings as those he wore in the preceding season; and thus, polymorphic as is the male as a species, as an individual he is unchangeable.
The countess was now over sixty, was quite gray, and wore a cap with a frill that surrounded her face.
RUFF, a bird so called from the very beautiful and remarkable frill of elongated feathers that, just before the breedingseason, grow thickly round the neck of the male, who is considerably larger than the female, known as the reeve.
From each side of his head sprouts a tuft of stiff curled feathers, while the feathers of the throat change colour, and beneath and around it sprouts the frill or ruff already mentioned as giving the bird his name.
It is provided with a frill-like fold of the skin round the neck, which, when erected, resembles a broad collar.
The adult plumage is of a uniform black, with the exception of a frill of white feathers nearly surrounding the base of the neck, and certain wing feathers which, especially in the male, have large patches of white.