Tetrao
Encyclopedia
Tetrao is a genus of birds in the grouse
Grouse
Grouse are a group of birds from the order Galliformes. They are sometimes considered a family Tetraonidae, though the American Ornithologists' Union and many others include grouse as a subfamily Tetraoninae in the family Phasianidae...

 subfamily. It has four species.

Species

  • Eurasian Black Grouse, Tetrao tetrix
  • Caucasian Black Grouse
    Caucasian Black Grouse
    The Caucasian Grouse is a large bird in the grouse family. It is closely related to the Black Grouse . It occurs in extreme southeastern Europe and adjacent regions...

    , Tetrao mlokosiewiczi
  • Western Capercaillie, Tetrao urogallus
  • Black-billed Capercaillie
    Black-billed Capercaillie
    The Black-billed Capercaillie is a large grouse species closely related to the more widespread Western Capercaillie. It is a sedentary species which breeds in the larch taiga forests of eastern Russia as well as parts of northern Mongolia and China.The appearance of the male Black-billed...

    , Tetrao parvirostris


The fossil record of this genus is quite extensive:
  • Tetrao conjugens (Early Pliocene of C Europe)
  • Tetrao rhodopensis (Early Pliocene of Dorkovo, Bulgaria)
  • Tetrao partium (Early Pliocene - Early Pleistocene of SE Europe)
  • Tetrao macropus (Late Pliocene - Early Pleistocene of Hungary)
  • Tetrao praeurogallus (Early - Middle Pleistocene of E Europe)
  • Tetrao tetrix longipes (Pleistocene of W Europe)
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