The Caucasian Eagle: Prometheus’s punishment and Heracles’s arrow

Every day an eagle consumes Prometheus's liver; every night it grows back. Immortality makes the punishment repeatable. It takes another visitor, Heracles, to kill the bird and end the ordeal. Theogony 521–534.

The eagle is often remembered as an image of endless suffering. The rescue matters just as much: in these accounts, the torment lasts for years but does reach an end.

What is the Caucasian Eagle?

The name identifies the bird associated with Prometheus's punishment on Mount Caucasus. The Library places his binding there and later says the eagle is an offspring of Typhon and Echidna. Hesiod describes a long-winged eagle without supplying the elaborate dark plumage, precise eyesight or metal-like talons of a modern monster profile. Library 1.7.1; 2.5.11; Theogony 521–534.

Its role is to inflict a particular punishment, rather than guard a treasure or patrol a kingdom. It is not identified here with a modern species or a modern regional emblem.

Why Prometheus is chained

In the Library, Prometheus gives humanity fire concealed in a fennel stalk. When Zeus learns what he has done, he orders Hephaestus to fasten him to the Caucasus. The eagle comes every day, and the liver renews itself at night. Library 1.7.1.

Hesiod likewise makes the bird's feeding and the organ's regeneration a cycle. The detail is a mythical device that prevents the wound from becoming a final death or a completed injury. Prometheus remains alive to suffer again. Theogony 521–534.

The narrative shows Zeus enforcing his authority. Describing that action does not require the reader to endorse its cruelty or assume that the poem is offering a simple instruction never to challenge power.

Who kills the eagle?

Heracles does. In the Library, he shoots the bird during the journey connected with the Hesperides' apples and releases Prometheus. The freed Titan then advises him how to obtain the apples with Atlas's help. Rescue produces knowledge useful for the next stage of the labour. Library 2.5.11.

Hesiod adds a significant qualification: Heracles's deed occurs with Zeus's consent, increasing the hero's glory. The ending is therefore more complicated than one brave mortal simply undoing a divine sentence against the god's will. Theogony 521–534.

An image of punishment

The repeated attack makes the eagle a powerful way to picture prolonged suffering. That interpretation arises from what it does in the story; it does not establish a single meaning for every eagle in Greek art or later culture.

In the early seventeenth century, Peter Paul Rubens and Frans Snyders made the encounter brutally physical in Prometheus Bound. The Philadelphia Museum of Art identifies Snyders as the painter of the eagle, while Rubens painted the Titan. The talons and torn flesh belong to their treatment of the story, not a newly discovered ancient description of the bird. Philadelphia Museum of Art, W1950-3-1.

The picture fixes our attention on the attack. The ancient accounts also let us follow the arrow that eventually stops it.

Read next

Explore Typhon, the guardian Ladon and our Greek monsters guide, or consult our book guide.

Read next Were the Greek gods evil? Cruelty and morality in myth

Sources and further reading

• S1: Hesiod, Theogony 521–534, H. G. Evelyn-White (1914)
• S2: Pseudo-Apollodorus, Library 1.7.1, J. G. Frazer (1921)
• S3: Pseudo-Apollodorus, Library 2.5.11, J. G. Frazer (1921)
• S4: Philadelphia Museum of Art, Collection Highlight: Prometheus Bound, W1950-3-1