The raven/crow is sometimes called a Wolf-bird due to the symbiotic relationship they have with wolves. They tend to signal prey and carcasses to wolves, who then kill and guard the food, which they share with the birds.
Further into it, wolves and crows are commonly paired in fantasy and myth as well.
In Game of Thrones the Night's Watch, nicknamed Crows, serve as lookouts for the seven kingdoms with the Starks, whose Sigil is the wolf, acting as the suppliers, guards, and backup for the Watch.
Is this relationship, which mimics the real life wolf-bird relationship, intentional? Or is it just coincidence? Is there any in-Universe reference to this, or word of God comparison by the staff?