The Goose that Laid the Golden Eggs
"The Goose that Laid the Golden Eggs" is one of Aesop's Fables, numbered 87 in the Perry Index, a story that also has a number of Eastern analogues. Many other stories contain geese that lay golden eggs, though certain versions change them for hens or other birds that lay golden eggs.
Source: Wikipedia — The Goose that Laid the Golden Eggs (CC BY-SA 4.0)