However, you're comparing N. American birds to those in the U.K./Europe. I'm sure there are similarities and, at the same time, some differences.Oh my goodness - Ravens and crows are quite different. Here is how they are different.
Common Raven and American Crow Identification - NatureMapping
Learn how to identify ravens and crows.naturemappingfoundation.org
Wow... that was quite surprising!
I bet people freak out thinking there is a dead raven.