Stymphalian Birds: One of the Most Legendary Creatures from Greek Mythology

The Stymphalian Birds were carnivorous creatures that fed on humans and animals. Their hunger for flesh made them relentless and dangerous predators. Image: Greek hero Heracles killing the Stymphalian birds with his sling. Attic black-figured amphora, c. 540 BC.
In the realm of Greek mythology, the Stymphalian Birds stand tall as one of the most legendary and fearsome creatures. These menacing birds, with their deadly metallic feathers, have captured the imagination of people throughout the ages.
Below, World History Edu takes a dive into the captivating tale of the Stymphalian Birds and explore their significance in the rich tapestry of Greek myths.
Origin Story and Depictions
The Stymphalian Birds were mythical creatures in Greek mythology, described as large, man-eating birds with sharp metallic feathers. They also had the ability to hide and take refuge in the dense marshlands of Arcadia, making it challenging for hunters to locate and confront them. It is said that the birds emitted terrifying screeches, adding to the terror they instilled in the hearts of those who encountered them.
These birds were created by the goddess Hera and were considered a plague upon the land. The story goes that these monstrous birds were originally harmless, but Hera transformed them into fierce and man-eating creatures as a way to punish them.
According to one version of the myth, the Stymphalian Birds were once beautiful and gentle birds living peacefully in the marshes of Stymphalus, a region in Arcadia.
However, when they became too numerous and began to harm the crops and people, Hera decided to unleash her wrath upon them. She cursed the birds, causing them to grow in size and develop sharp, bronze-colored feathers that they used as deadly weapons.
This transformation turned them into terrifying and dangerous creatures that became a menace to the land, requiring a hero like Heracles (Hercules in Roman mythology) to defeat them and restore peace to the region.

The Stymphalian Birds’ overwhelming numbers and deadly feathers posed a significant threat to the inhabitants of Arcadia, and they were feared for their viciousness and ability to terrorize the region.
Terror unleashed by the Stymphalian Birds
The Stymphalian Birds were a formidable threat to the local inhabitants of the region of Stymphalus in Arcadia. Their overwhelming numbers and sharp metallic feathers made them dangerous predators.
These monstrous birds would descend upon the land, terrorizing the crops and the people. They were known to attack livestock and even humans, using their sharp feathers to kill and consume their prey in the most gruesome of ways.
The constant presence of these man-eating birds made it extremely challenging for the local population to live peacefully and safely in the area, as they constantly had to fear the birds’ attacks.
The Stymphalian Birds versus Heracles

The Stymphalian Birds were a group of terrifying creatures in Greek mythology, with metallic feathers and beaks, known for their deadly abilities and their encounter with the hero Hercules as one of his twelve labors. Image: Heracles and the Stymphalian birds. Detail of a Roman mosaic from Llíria (Spain).
Heracles, also known as Hercules in Roman mythology, was tasked with defeating the Stymphalian Birds as one of his twelve labors. The reason behind this task was to atone for a terrible crime he committed in a fit of madness. In his madness, Heracles killed his wife, Megara, and their children. To purify his soul and seek redemption, he was commanded by King Eurystheus, his cousin, to complete a series of seemingly impossible tasks, known as the Twelve Labors.
Heracles’ sixth labor was to rid the Stymphalian marshes of the menacing birds. This dangerous and challenging task tested Heracles’ strength, courage, and prowess as a hero, showcasing his determination to right his wrongs and earn his place among the gods.
To defeat the Stymphalian Birds, Heracles (Hercules) received help and guidance from the goddess Athena, who gave him a bronze rattle or castanets (i.e. krotala) created by Hephaestus, the blacksmith god. These noisemakers were used to scare and startle the birds from their hiding places in the marshes.
Heracles approached the Stymphalian marshes and shook the bronze castanets loudly, creating a cacophony of noise. The birds, frightened by the loud and unfamiliar sound, took flight to escape the disturbance. As they flew into the air, Heracles took advantage of the opportunity and shot them down with his bow and arrows.
It is said that the arrows used by Hercules had been dipped in the blood of the Lernaean Hydra, a serpentine water monster in Greek mythology.
Symbolism
The Stymphalian Birds in Greek mythology are often interpreted symbolically or allegorically, representing various aspects of human nature and challenges faced in life.
Heracles’ triumph over the Stymphalian Birds represents the theme of overcoming adversity and the idea that with courage, strength, and intelligence, one can overcome seemingly insurmountable challenges.
In some interpretations, the birds may represent inner demons or negative traits that individuals must confront and conquer to find peace and inner harmony.
The creatures, created by a god, may be seen as divine tests or trials imposed upon heroes. Heracles’ labors, including the one involving the Stymphalian Birds, symbolize the challenges and trials that heroes must face to prove their worthiness and achieve greatness.
Finally, the birds’ insatiable hunger for flesh and destruction can be interpreted as a cautionary tale against human greed and excess, reminding individuals of the consequences of indulging in unchecked desires.

One of the Twelve Labors of Heracles (Hercules) was to rid the region of these menacing birds, showcasing their significance and the heroic efforts required to confront such mythical creatures. Image: Hercules Killing the Stymphalian Birds by German painter Albrecht Dürer, 1500.
Other myths about the Stymphalian Birds
- In one version of the myth, the Stymphalian Birds were said to have been created by the war god Ares, rather than Hera. The birds were believed to have been spawned from the blood of Ares’ slain enemy, the giant Porphyrion, during the Titanomachy, the great battle between the Titans and the Olympian gods.
- In another account, the birds were believed to be the pets of Ares. Pursued by a hungry pack of wolves, the birds found their way to the marshes of Arcadia.
- In another variation, the hero Bellerophon, known for taming the winged horse Pegasus, was also credited with dealing with the Stymphalian Birds. In this version, the goddess Athena or the seer Polyidus instructed the Greek hero Bellerophon to use a special bronze flute, crafted by Hephaestus, to drive the birds away with its haunting sound.
- There were some Stymphalian Birds that managed to escape Hercules’ arrows. The surviving birds fled to the island of Aretias in the Euxine Sea, where they later faced off against the Argonauts.
- According to 3rd-century BC Greek author Mnaseas of Patrae, the creatures were not birds, instead they were women and daughters of Greek figures Stymphalus and Ornis.
Answers to popular questions about the Stymphalian Birds

Image: Heracles and the Stymphalian birds. Attic black-figure amphora, 500-490 BC
Where did they dwell?
These birds were believed to live in the Stymphalian marshes of Arcadia, a region in the Peloponnese.

In Greek mythology, this region was known for being the dwelling place of the Stymphalian Birds, which Hercules was tasked with defeating as one of his Twelve Labors.
Where is Stymphalia?
Stymphalia (Stymphalus) is a region in ancient Greece and is located near Lake Stymphalia, which is part of the modern-day regional unit of Corinthia in the Peloponnese peninsula of Greece. The lake itself is situated between the mountains of Mount Kyllini and Mount Oligyrtos.
What were the Stymphalian Birds and how were they described in Greek mythology?
In Greek mythology, the Stymphalian Birds were monstrous creatures that were known for their ferocity and deadly feathers. They were said to be large and man-eating, with metallic feathers that could pierce through armor.
Who created the Stymphalian Birds?
The generally held view is that the birds were created by the goddess Hera and sent as a plague upon the land and punish the people of Arcadia.
How did the Stymphalian Birds pose a threat to the inhabitants of Arcadia?
With their large numbers and razor-sharp metallic feathers, they posed a significant threat to the local inhabitants. Descending upon the land in flocks, they would terrorize crops, attack livestock, and even pose a danger to humans.
Their sharp feathers served as lethal weapons, capable of killing and devouring their prey. As a result, the people of the region lived in constant fear of these monstrous birds, who brought destruction and chaos to their lives and livelihoods.
How did the hero Hercules manage to defeat the Stymphalian Birds?

The viciousness and deadly nature of the Stymphalian Birds posed a significant threat to the livelihood and well-being of Arcadia, requiring a hero like Heracles to take on the task of defeating them and protecting the region from their menace. Image: Hercules and the Stymphalian Birds by Gustave Moreau, c 1872
The birds were known to attack in large flocks, overwhelming their prey with their sheer numbers. This swarm-like behavior made it difficult for their victims to escape or defend themselves effectively.
According to the myth, Hercules sought the advice of the goddess Athena on how to deal with the aggressive birds. Athena provided him with a pair of bronze krotala, which were clappers or castanets used in music. These krotala were made by Hephaestus, the god of blacksmiths, and they were specifically designed to frighten and disperse the birds.
Armed with the bronze krotala, Hercules climbed a nearby hill overlooking the lake where the Stymphalian Birds were nesting. He then began clashing the krotala together, creating a loud and cacophonous noise. The sound terrified the birds and caused them to take flight from their nests in fear.
As the birds flew into the air, Hercules used his bow and arrow to shoot them down one by one. The metallic feathers of the Stymphalian Birds made them nearly invulnerable, but Hercules managed to defeat them by using the noise of the krotala to disorient them and then targeting their vulnerable areas.
Thus, Hercules successfully completed the task of driving away and killing the Stymphalian Birds, fulfilling the sixth of his Twelve Labors.
How have the Stymphalian Birds been depicted in ancient Greek art and literature?
Some ancient Greek vase paintings feature scenes from Heracles’ labors, and occasionally, the Stymphalian Birds are depicted as large, bird-like creatures with sharp metallic feathers. Some Roman-era mosaics and reliefs depict scenes from Greek mythology, including episodes with the Stymphalian Birds.
Ancient Greek authors, such as Pausanias and Mnaseas of Patrae, described the Stymphalian Birds in their writings. Their descriptions often emphasized the birds’ large size, metallic feathers, and terrifying nature.