(Tetraonidae; Ϯ Blue Grouse D. obscurus) Gr. δενδρον dendron  tree; αγαπαω agapaō  to be fond of; "Tetronidæ  ...  For the next group, as its members appear to possess sufficient characters to distinguish the species from the commonly known T. Canadensis, in having gular sacks, the extraordinary number of twenty feathers in the tail, instead of sixteen, I would propose the term—  4th.   Dendragapus — confined to America; comprising D. obscurus and Richardsonii." (Elliot 1864); "Dendragapus Elliot, Proc. Acad. Nat. Sci. Phila., 1864, p. 23. Type, by subsequent designation, Tetrao obscurus Say. (Baird, Brewer and Ridgway, Hist. N. Am. Bds., Land Birds, 3, 1874, p. 415.)" (Peters 1934, II, 28).
Var. Dendrogapus.
Synon. Palaeotetrix.

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2018). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2018). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 10 December 2018).