The crow's "Caw!" is immediately recognisable to the human ear, but the birds actually have, not even counting the "subsong
" sounds they make: clacking and cooing and rattling and clicking.
. Call of alarm, spreketh & ought damage the eyes with its form, small body, tail pricked up & beak like a hair
Typically a male sings an initially undeveloped subsong
that crystallizes into adult song before he establishes a territory (Grant and Grant 1989).