English-language lore often hangs war, graves, and unlucky counts on a crow; some East Asian stories keep a three-legged solar crow or a messenger. Korean lucky-bird default search is often the magpie (magpie-omen). omen-animals-east-vs-west is a multi-species hub. This essay is crows only. The bird on the sill is ecology, not an obituary.
Magpie is another URL. Do not merge black bill and white belly into one species.
Dedicated essays each.
City crows adapt to trash and ledges. That is not a curse density.
Walnut-tree lore and real window strikes are different boxes.
For entertainment and cultural context. Dreams, omens, charms, and lottery math are not prediction, finance, medical, or legal advice.