Capercaillie

Tetrao is a genus of birds in the grouse subfamily. It has four species.

Species

 * Western Capercaillie, Tetrao urogallus
 * Black-billed Capercaillie, Tetrao urogalloides

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)