Identification Tips:
- Length: 15 inches
- Entirely black plumage
- Squared-off tail
Similar species:
American Crow is very similar but has different call. Common Raven is larger with wedge-shaped tail and different call.Length and wingspan from: Robbins, C.S., Bruun, B., Zim, H.S., (1966). Birds of North America. New York: Western Publishing Company, Inc.
Patuxent Bird Population Studies
Patuxent Bird Identification InfoCenter
http://www.mbr-pwrc.usgs.gov/id/framlst/i4900id.html
Tidak ada komentar:
Posting Komentar