As far as mating goes, we refer to crows as being socially monogamous but genetically promiscuous, as is the case with most birds. This means mated pairs will typically stay together for life, but extra pair copulations are not unusual, at least in some populations.

Do crows come back to the same nest every year?

Crows return to the same nest territory year after year, often a few weeks before they start building. ... Many larger twigs that form the base of the nest are broken directly off trees.

Do crows remember you?

These birds are seen almost everywhere and can cause a ruckus with their cawing. But did you know that they can remember the faces of human perpetrators for years? ... He found that crows and human beings shared the ability to recognise faces and relate the faces with positive and negative feelings.