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| 질의: Thick-billed crow | 결과: 5번째/5 | |
Raven (Family: Corvidae, Genus: Corvus) - Wiki
| 제목: | Raven (Family: Corvidae, Genus: Corvus) - Wiki
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| 해상도: 1349x985
파일크기: 1055653 Bytes
촬영일: 2007:10:14 12:48:32
사진기: E3200 (NIKON)
F number: f/2.8
Exposure: 1451378/100000000 sec
Focal Length: 174/10
등록시간: 2007:12:03 11:54:44
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Raven
From Wikipedia, the free encyclopedia
Order: Passeriformes
Family: Corvidae
Genus: Corvus
[Photo] Common Raven (Corvus corax) at Cypress Provincial Park, British Columbia. In sunlight, the plumage of the Common Raven may have a blue or purple tint. Date 14 October 2007. Author user:Clayoquot | Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License". |
Raven is the common name given to the largest species of passerine birds in the genus Corvus. Corvids are also commonly referred to as 'crows' and other species in the same genus include jackdaws, and rooks.
In most of Europe and North America, raven is used as a synonym for the widespread Common Raven, and much of the literature and culture surrounding ravens refers to that species.
Ravens have high intelligence and are perhaps the smartest birds. Their intelligence might be on par with canids like wolves.
An obsolete collective noun for a group of ravens (or at least the Common Raven) is an "unkindness".
Species
Common Raven (Corvus corax)
Australian Raven (Corvus coronoides)
Forest Raven (Corvus tasmanicus)
Little Raven (Corvus mellori)
Thick-billed Raven (Corvus crassirostris)
White-necked Raven (Corvus albicollis)
Brown-necked Raven (Corvus ruficollis)
Chihuahuan Raven (Corvus cryptoleucos)
Fan-tailed Raven (Corvus rhipidurus)
New Zealand Raven (Corvus antipodum, extinct)
Chatham Islands Raven (Corvus moriorum, extinct)
http://en.wikipedia.org/wiki/Raven
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