How expression of pain became stereotyped in narrative paintings from Caravaggio to Böcklin, a very early Rembrandt and the anguish of a ewe on the death of her lamb.
Schenk
Companions to valkyries, accompanying the Wild Hunt, at the Crucifixion and executions, or the first sign of Spring?
From Böcklin and Waterhouse to Vincent van Gogh and Egon Schiele, many 19th century artists used crows as a symbol.
The Eclectic Light Company 