Piping Shepherds by Aelbert Cuyp

Aelbert Cuyp's Piping Shepherds (1643-44) holds a secret bestiary. Most viewers see the two shepherds and the luminous evening sky, then scroll on. But Cuyp tucked at least three animals into the foreground shadows, and they quietly steer how we understand the scene.

Look first at the bottom left corner, where a dark dog sleeps against the earth. It is easy to miss, Cuyp painted it in deep browns that merge with the soil. Above it, near the standing piper's feet, a second small animal rests: a lamb, or perhaps another dog, pale and barely noticed. And at the base of the large autumn tree on the right, a compact dark shape sits low among the roots. Scholars believe it is an owl, Minerva's bird, the classical attribute of wisdom and watchfulness.

The owl changes the painting. Without it, this is a pleasant pastoral: shepherds making music while their flock grazes. With it, the scene becomes an allegory of otium, the earned leisure of the wise. The owl watches. The dog rests. The shepherds play. Everyone in this golden Dutch evening knows exactly where they belong.

Cuyp painted this at 23, having never left the Netherlands. The golden light he became famous for, that warm haze hanging over the distant polder, he learned from studying Italian paintings in Dutch collections. Piping Shepherds is in the Metropolitan Museum of Art in New York. Next time you stand before it, find the owl first.