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Genus BONASIA.
Gen. Chak. Head crested; tarsi and toes unplumed; and a tuft of feathers projecting from
each side of the neck; in other respects as in the genus Tetrao.
H A Z E L GROUSE, OR G E L IN O T T E .
Bonasia Europæa.
Le Tétras Gélinotte.
I n the days o f Linnæus and the older writers every species o f Grouse was comprised in a single genus
(Tetrao') ; subsequent research, however, having added many other species, and even new forms, modern
naturalists have been induced to subdivide this interesting family into smaller groups, each distinguished by
characters peculiar to itself: it has, moreover, been considered expedient to apply to each o f these minor
subdivisions a generic title, retaining the old name Tetrao for the most typical Grouse; the Ptarmigan
necessarily forms another group, and the bird under consideration a third. The half-plumed tarsi, the
crested head, and the tuft o f feathers on each side o f the neck are features peculiar to the genus Bonasia :
in the European Hazel Grouse this latter character is but slightly indicated, but is exhibited to a greater
extent in a species from America. The Bonasia Europæa is the only species yet discovered in the Old
World, but it has its representative in the New, in the well-known Canada Grouse, Bonasia umbellus, and
others. These slight differences in structure are, as might be supposed, always accompanied by some difference
o f habits. The feet o f the Ptarmigan are as ill adapted for perching on trees as the pectinated toes
o f the Capercailzie are expressly fitted for that purpose. Although the Hazel Grouse does not equal the Ptarmigan
in flight, its powers in this respect are far from being inconsiderable. They frequently perch on trees,
and love to dwell in wooded plains skirting hilly and mountainous districts ; they feed on alpine fruits and
berries, to which are added the tops o f heath, fir, juniper, and other tender shoots. They fly in packs or
companies, and are not so shy or distrustful as most other members o f this family ; when disturbed they
perch on trees, and are then easily approached and shot.
The Hazel Grouse is dispersed over the continent o f Europe from north to south, inhabiting nearly all the
elevated ridges and natural boundaries o f the different countries. Dr. Latham states that they are so
abundant on a small island in the gulf o f Genoa that the name o f Gelinotte Island has been given to it. It
also inhabits France, Germany, Sweden, Norway, and Russia, thus extending itself from the sultry regions of
Italy to the limits o f the arctic circle. No instance is on record o f its having been discovered in England,
and so exclusively does it appear to be confined to the European continent, that we have never observed it in
collections from other countries.
The eggs o f the Hazel Grouse are from ten to twelve in number, o f a rusty red, thickly spotted with a
darker colour, and are deposited on the ground at the foot o f a fern or hazel-stem.
The male may be distinguished from the female by the red naked skin behind the eye, the black mark on the
throat, and by the bright and more contrasted markings o f the plumage. The young during the first autumn
are without the black throat, in which state the colouring o f the plumage nearly resembles that o f the female.
The Hazel Grouse is held in high esteem for the table, its flesh being both delicate and o f good flavour ;
for which purpose thousands are yearly captured ; and it not unfrequently happens that small packages o f them
in good preservation arrive from Norway and Sweden, in the markets o f our Metropolis.
The male has the top o f the head, crest, and upper surface varied with markings o f reddish brown, black,
and grey, disposed in zigzag lines across every feather; the scapularies and secondaries having a large
spatulate mark o f white running down the stem o f each feather; the primaries are brown on their inner
webs and varied with buff and brown on the outer ; the feathers o f the tail, with the exception o f the two
middle ones, which are grey finely freckled with black, are strongly banded with black near their tips, which
are grey ; the throat is black, encircled with an obscure band o f white, which extends to the shoulders ; naked
skin over the eye scarlet, bounded above by a patch o f white ; the feathers o f the chest and flanks are black
and red with a white tip ; those o f the breast and belly and the tail-coverts are white, each having a black
centre ; bill, feet, and eyes brown.
The female differs from the male in not having the black throat and the red naked skin over the eye, and in
being less brilliant in all her markings.
The Plate represents a male and female o f the natural size.