Tetrao
Tetrao is a genus of birds in the grouse subfamily known as capercaillies. They are some of the largest living grouse.
| Tetrao Temporal range: Early Pliocene to recent | |
|---|---|
 | |
| Western capercaillie (Tetrao urogallus) | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Galliformes |
| Family: | Phasianidae |
| Subfamily: | Tetraoninae |
| Genus: | Tetrao Linnaeus, 1758 |
| Species | |
|
Tetrao urogalloides | |
Species
There are two extant species:
| Image | Scientific name | Common Name | Distribution |
|---|---|---|---|
 | Tetrao urogallus | Western capercaillie | Europe to western Russia |
 | Tetrao urogalloides | Black-billed capercaillie | eastern Russia as well as parts of northern Mongolia and China |
The fossil record of this genus is 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)
References
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