Dendragapus obscurus richardsoni
Bird Info: Galliformes, Phasianidae: Tetraoninae (Grouse, Ptarmigan, Prairie-Chickens), Subspecies
On Dendragapus Obscurus Obscurus
… is powerful nd with great carrying power. In the interior birds of the richardsoni type … of the question. Dendragapus obscurus obscurus (Say). Dendragapus obscurus richardsoni (Douglas …
elibrary.unm.edu/sora/Auk/v046n01/p0111-p0113.pdf
The Bird Book/Grouse, Partridges, etc – Wikisource
GALLINACEOUS BIRDS. 297b. RICHARDSON’S GROUSE. Dendragapus obscurus richardsoni. Range. Northern Rocky Mountains from central Montana to British Columbia.
en.wikisource.org/wiki/The_Bird_Book/Grouse%2C_Partridges%2C_etc
The Sibley Guide to Birds – Subspecies – hawks to alcids
Prairie F. c. richardsoni Black (Pacific) F. c. suckleyi … Blue Grouse Dendragapus obscurus Pacific D. o. fuliginosus group … variation in the species, but occasional birds …
www.sibleyguides.com/hawks_alcids.htm
Denver Mountain Parks History Pages
An Annotated List of the Birds of the Mountain Parks … Dusky Grouse Dendragapus obscurus obscurus Not uncommon resident. … Western Wood Pewee Myiochanes richardsoni richardsoni …
mountainparkshistory.org/Articles/birds.html
The Bird Book/Index – Wikisource
Dendragapus obscurus obscurus.. 178. fuliginosus 178. richardsoni 179. Dendrocygna autumnalis 113 … Frigate Bird 86. Fringillidae 324. Fulica americana 136. atra 136 …
en.wikisource.org/wiki/The_Bird_Book/Index
Full text of "Proceedings of the California Academy of Sciences, 4th …
In 1914, Taverner 2 named Dendragapus obscurus … presence of a very dark form of richardsoni … Columbia, with four adult male Dendragapus that were indistinguishable from birds …
www.archive.org/stream/proceedingsofcal0420cali/proceedingsofcal0420cali_djvu.txt
Colorado Birds during FONT Birding & Nature Tours
Birds found during FONT Birding & Nature Tours in … Dendragapus obscurus richardsonii Now the Dusky Grouse, it was … Falco columbarius richardsoni; Prairie Falcon _____ APR JUN …
www.focusonnature.com/BirdListAllColorado.htm
Colorado Birds during FONT Birding & Nature Tours
Colorado Birds during FONT Spring Tours for Grouse … Falco columbarius richardsoni; Prairie Falcon _____ co e, ks … Dendragapus o. obscurus ; White-tailed Ptarmigan _____ co w (in PG
www.focusonnature.com/BirdListColoradoSpring.htm
Catalogue of British Columbia Birds by Francis Kermode – Full Text …
Catalogue of British Columbia Birds by Francis Kermode … Dendragapus obscurus fuliginosus_ (Ridgw.). Abundant west of Cascade … Cryptoglaux tengmalmi richardsoni_ (Bonaparte). Taken at …
www.fullbooks.com/Catalogue-of-British-Columbia-Birds1.html
World Checklist of Non-Passerine Birds
A World checklist of Non-Passerine Birds … 286 Blue Grouse Dendragapus obscurus 287 Willow Ptarmigan … 827 Lemon-throated Barbet Eubucco richardsoni
www.earthlife.net/birds/w-checklist1.html