A. Raven
Many people use the terms 'raven' and 'crow' interchangeably, but they are actually quite different. Technically, since ravens belong to the crow (corvus) family of birds, they can be called crows - but not all crows are ravens. --shades of night.com
Here are some quick references to help distinguish between the two:
Common
Raven (Corvus corax)
American crow (Corvus brachyrhynchos)
http://kaweahoaks.com/html/raven.html http://www.seidata.com/~rausting/images/00/acrow00.jpg
RAVENS
CROWS
·
About the size of a hawk
About
the size of a pigeon
·
Wedge-shaped tail
Fan-shaped
tail

·
Feathers slightly pointed,
Rounded
feathers, even appearance
jagged
lay; ruff
·
Prominent swish
sound
Usually
silent wing beat
with
wing beat
·
Prefer wilder areas
Urban
areas to compete for food
·
Pointed wings
Blunt,
splayed wingtip
·
Larger, curved bill
More-or-less
a flat bill
·
Tuft atop bill
Tuft
absent on crows
Another assumption if you have spotted a large, black bird
is that you are watching a raven as currently very few, if any crows are
routinely spotted in the
Sources:
http://www.shades-of-night.com/aviary/difs.html
http://www.angelfire.com/id/ravensknowledge/ravensvscrows.html

Raven(top) & Crow (bottom) underside
of wings
Also shows the foot and one of the
tail movements of flying bird.
http://www.vistainternetproducts.com/underwin.htm
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