Visual Search | Wizard | Browse
Bird name:

Dusky Grouse

Dendragapus obscurusOrder: GALLIFORMES Family: Turkeys and Grouse (Phasianidae)
Codes: Common Name: DUGR Scientific Name: DENOBS ITIS Taxonomic No.: 175772
Family Grouse (Phasianidae)_blue
Species Dendragapus obscurus
Length19 - 21 Inches
Wingspan26 Inches

Dusky Grouse

Dusky Grouse: Large, chicken-like bird, dark gray to blue-gray plumage, red-orange eye combs, black squared tail with narrow pale gray terminal band. Patch of violet-red skin on neck surrounded by white feathers is displayed during courtship. Formerly (with Sooty Grouse) known as Blue Grouse.

● Song: "hoot-hoot-hoot-hoot", "whoop-whoop-whoop"

● Foraging & Feeding: Dusky Grouse: Feeds almost exclusively on conifer needles during winter. In spring, summer, and fall, diet shifts to insects, spiders, salal berries, snowberries, red huckleberry fruit, and fern tips; forages on the ground.

● Breeding & nesting: Dusky Grouse: Seven to sixteen pink buff eggs, usually spotted brown, are laid in a ground scrape lined with pine needles and grass, usually sheltered by a stump or rock. Incubation ranges from 25 to 26 days and is carried out by the female. Precocial young leave nest soon after hatching.

● Similar species: Dusky Grouse: Male Spruce Grouse has white bars on breast, barred back, and brown terminal tail band. Female has narrow rust-brown terminal tail band and white bars on underparts. Ruffed Grouse is browner, has black subterminal tail band and more white on underparts. Sooty Grouse has a wider gray terminal band on tail, male has yellow air sacs and yellow combs over eyes.

Flight Pattern

Strong, direct, alternates rapid wing beats with glides.
Dusky Grouse Body Illustration_2
● Range & Habitat: Dusky Grouse: Resident from the Yukon and Northwest Territories, south to Arizona, Colorado, and New Mexico. Preferred habitats include burned areas, montane forests, slashes, and subalpine forest clearings.
BreedingSolitary nester, Promiscuous
PopulationFairly common
MigrationNonmigratory
Weight41.6 Ounces
4 and 6 letter alpha codesX

The four letter common name alpha code is is derived from the first two letters of the common first name and the first two letters of common last name. The six letter species name alpha code is derived from the first three letters of the scientific name (genus) and the first three letters of the scientific name (species). See (1) below for the rules used to create the codes..

Four-letter (for English common names) and six-letter (for scientific names) species alpha codes were developed by Pyle and DeSante (2003, North American Bird-Bander 28:64-79) to reflect A.O.U. taxonomy and nomenclature (A.O.U. 1998) as modified by Supplements 42 (Auk 117:847-858, 2000) and 43 (Auk 119:897-906, 2002). The list has been updated by Pyle and DeSante to reflect changes reported by the A.O.U from 2003 through 2006.

Read more...
ITIS CodesX

The Integrated Taxonomic Information System (ITIS) was established in the mid-1990�s as a cooperative project among several federal agencies to improve and expand upon taxonomic data (known as the NODC Taxonomic Code) maintained by the National Oceanographic Data Center (NODC), National Oceanic and Atmospheric Administration (NOAA).

To find the ITIS page for a bird species go to the ITIS web site advanced search and report page at http://www.itis.gov/advanced_search.html. You can enter the TSN or the common name of the bird. It will return the ITIS page for that bird. Another way to obtain the ITIS page is to use the Google search engine. Enter the string ITIS followed by the taxonomic ID, for example "ITIS 178041" will return the page for the Allen's Hummingbird.

Read more...
Parts of a Standing birdX
Head Feathers and MarkingsX
Parts of a Flying birdX