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질의: swan결과: 112번째/1085
Tundra Swan (고니) - Yukon Delta National Wildlife Refuge
제목: Tundra Swan (고니) - Yukon Delta National Wildlife Refuge
올린이: Administrator (kusnij@naver.com)
Tundra swan.jpg
해상도: 1690x1058 파일크기: 145826 Bytes 촬영일: 2004:06:17 22:54:10 등록시간: 2004:06:17 22:32:36

Tundra Swan - Yukon Delta National Wildlife Refuge


From the U.S. Fish and Wildlife Service's online digital media library .
Check http://images.fws.gov/ for higher quality version.

Metadata
Title: Tundra swan
Creator: Hollingsworth, John and Karen
Source: WV10270-001
Publisher: U.S. Fish and Wildlife Service
Contributor: NATIONAL CONSERVATION TRAINING CENTER-PUBLICATIONS AND TRAINING MATERIALS
Rights: (public domain)
Subject: Alaska
Birds
Migratory birds
Yukon Delta National Wildlife Refuge
waterfowl

The tundra swan (Cygnus columbianus) is a small Holarctic swan. The two taxa within it are usually regarded as conspecific, but are also sometimes split into two species: Bewick's swan (Cygnus bewickii) of the Palaearctic and the whistling swan (Cygnus columbianus) proper of the Nearctic.

swan
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