The _Tetraogallus Himalayensis_ "is confined," says "Mountaineer," "exclusively to the snowy mountain ranges, or the large spurs jutting from them which are elevated above the limits of forest, but is driven in winter to perform one, and in some places two, annual migrations to the middle regions. In summer it is only seen near the limits of vegetation. In Kunawur it is common at all seasons, from Cheenee upwards; but on the Gangetic hills, from June till August, however much a person wanders about on the highest accessible places, but few are met with, and I have no doubt whatever but that nearly all such as at other seasons frequent this part retire across the snow into Chinese Tartary to breed. About the beginning of September these birds are first seen near the tops of the higher grassy ridges jutting from the snow, and the green slopes above and about the limits of forests. After the first general and severe fall of snow they come down in numbers on to some of the bare exposed hills in the forest regions, and remain there till the end of March. This partial migration is probably made in the night after the fall of snow, as I have invariably found them in their winter quarters early next morning. It requires a deep fall of snow to drive them down, and in some mild winters, except a few odd birds, they do not come at all. The birds on each respective hill seem to have a particular spot for their winter resort, which they return to every year the migration is made. The Snow Pheasant is gregarious, congregating in packs, sometimes to the number of twenty or thirty, but in general not more than from five to ten, several packs inhabiting the same hill. In summer the few which remain on our side are found in single pairs generally; but across the snow, where the great body migrate, I almost always, even then, found several together. They seldom leave the hill on which they are located, but fly backwards and forwards when disturbed.