Ravens are supposed to be the size of a red-tailed hawk. I don't think these guys look that big, but it's hard to tell for sure from the pics. Maybe this will help:
https://www.audubon.org/news/how-tell-raven-crow
How to Tell a Raven From a Crow
You’re outside, enjoying a sunny day when a shadow at your feet causes you to look up. A large, black bird flies over and lands in a nearby tree. You wonder: is that a crow or a raven?
These two species, Common Ravens and American Crows, overlap widely throughout North America, and they look quite similar. But with a bit of practice, you can tell them apart.
You probably know that ravens are larger, the size of a Red-tailed Hawk. Ravens often travel in pairs, while crows are seen in larger groups. Also, watch the bird’s tail as it flies overhead. The crow’s tail feathers are basically the same length, so when the bird spreads its tail, it opens like a fan. Ravens, however, have longer middle feathers in their tails, so their tail appears wedge-shaped when open.
Lots more at the link, including pics and recordings of the birds' calls.
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