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| 질의: greater sage-grouse | 결과: 5번째/18 | |
Sage Grouse (Centrocercus urophasianus) (흰목도리뇌조(----雷鳥))
| 제목: | Sage Grouse (Centrocercus urophasianus) (흰목도리뇌조(----雷鳥))
| | 올린이: | Phoby (phoby@hanafos.com)
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| 해상도: 2707x1740
파일크기: 371204 Bytes
촬영일: 2005:03:10 14:18:06
등록시간: 2005:03:10 14:17:18
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From the U.S. Fish and Wildlife Service's online digital media library.
Check http://images.fws.gov/ for higher quality version.
Metadata
Title: Greater sage grouse
Alternative Title: Centrocercus urophasianus
Creator: Menke, Dave
Source: WV11417
Publisher: U.S. Fish and Wildlife Service
Contributor: NATIONAL CONSERVATION TRAINING CENTER-PUBLICATIONS AND TRAINING MATERIALS
Language: EN - ENGLISH
Rights: (public domain)
Audience: (general)
Subject: bird, California, Clear Lake National Wildlife Refuge
Description
Abstract: Greater sage-grouse are currently estimated to number from 142,000 to 500,000 individuals. Sage-grouse populations declined an average of 3.5 percent per year from 1965 to 1985. Since 1986, however, populations in several states have increased or generally stabilized and the rate of decline from 1986 to 2003 slowed to 0.37 percent annually for the species across its entire range. Greater sage-grouse are currently found in Washington, Oregon, California, Nevada, Utah, Colorado, Idaho, Montana, North Dakota, South Dakota, and Wyoming. They are also found in small populations in the Canadian provinces of Alberta and Saskatchewan. The greater sage-grouse is a large, rounded-winged, ground-dwelling bird, up to 30 inches long and two feet tall, weighing from two to seven pounds. It has a long, pointed tail with legs feathered to the base of the toes. Females are a mottled brown, black, and white color. Males are larger and have a large white ruff around their neck and bright yellow air sacks on their breasts, which they inflate during their mating display. The birds are found at elevations ranging from 4,000 to over 9,000 feet and are highly dependent on sagebrush for cover and food.
Date
Available: December 08 2004
Issued: July 03 2002
Modified: December 08 2004
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Scientific Name: Centrocercus urophasianus (Bonaparte, 1827)
Common Names: Sage Grouse, Greater Sage-Grouse
French: Tétras des armoises German: Beifußhuhn Spanish: Gallo de las artemisas grande
Taxonomy: Tetrao urophasianus Bonaparte, 1827, “North-western countries beyond the Mississippi especially on the Missouri”. |
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