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  1. Grouse - Wikipedia

    • Grouse /ɡraʊs/ are a group of birds from the order Galliformes, in the family Phasianidae. Grouse are presently assigned to the tribe Tetraonini (formerly the subfamily Tetraoninae and the family Tetraonidae), a classification supported by mitochondrial DNA sequence studies, and applied by the American Ornithologists' Union, ITIS, International Ornithol… See more

    Description

    Like many other galliforms, grouse are generally heavily-built birds. The traditional grouse (excluding … See more

    Feeding and habits

    Grouse feed mainly on vegetation—buds, catkins, leaves, and twigs—which typically accounts for over 95% of adults' food by weight. Thus, their diets vary greatly with the seasons. Hatchlings eat mostly insects and other … See more

    DomainEukaryota
    KingdomAnimalia
    PhylumChordata
    ClassAves
    Grouse: Nature's Drummers
    Grouse: Nature's Drummers
     The Ultimate Northern Birds
    The Ultimate Northern Birds
    Reproduction

    In all but one species (the willow ptarmigan), males are polygamous. Many species have elaborate courtship displays on the ground at dawn and dusk, which in some are given in leks. The displays feature males' brig… See more

    Populations

    Grouse make up a considerable part of the vertebrate biomass in the Arctic and Subarctic. Their numbers may fall sharply in years of bad weather or high predator populations—significant grouse populations are a majo… See more

    Sexual size dimorphism

    The phenotypic difference between males and females is called sexual dimorphism. Male grouse tend to be larger than female grouse, which seems to hold true across all the species of grouse, with some difference within eac… See more

    In culture

    Grouse are game, and hunters kill millions each year for food, sport, and other uses. In the United Kingdom, this takes the form of driven grouse shooting. The male black grouse's tail feathers are a traditional ornament f… See more

    External links

    Grouse videos on the Internet Bird Collection
    • Johnsgard, P. (1982). "Etho-Ecological Apects of Hybridization in the Tetraonidae". World Pheasant Association Journal. VII: 42–57.… See more

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