The 6 labor of Hercules. There once was a jealous goddess named Hera who as punishment for her husband's unfaithfulness so she punished Hercules and he was given 12 task from a king named King Eurstheus.
King Eurstheus gave Hercules this 6th task he sent him to go get rid of all of the Stymphalian Birds and to bring some of them back as a prize. So Hercules left with his bow.
On his was Hercule half-sister Athena the goddess of knowledge came to him and gave him a rattle to shake and scare the birds, and Hercules continued on his way to the birds.
Hercules shook his rattle and scared the bird he shot over 100 and of the few that got away were never seen again.
After making sure the birds were gone he grabbed the birds and went back to the King.
The King was shocked when Hercules came back alive and back with 12 dead birds but Hercules still had 6 more task to complete to win his freedom back.