its a little nat geo, but, there you go.
Crows( Corvus (genus)) are magnificent.
There are a few variations but all look fairly similar in australia.. note the white iris.
http://www.americanscientist.org/iss...cross-the-road
wiki: Certain species top the avian IQ scale. One species, the New Caledonian Crow, has also been intensively studied recently because of its ability to manufacture and use its own tools in the day-to-day search for food, including dropping seeds into a heavy trafficked street and waiting for a car to crush them open.
This is what an australian crow sounds like. sly and gothly, imho.
http://www.anbg.gov.au/sounds/raven.au
Is this what a common american crow sounds like? Wiki has this for offer;
http://www.shades-of-night.com/aviary/sounds/crow2.wav