Largest organisms were related to the ostrich. They exceeded in height and . The last of the elephant birds became extinct about 300 years ago. Of almost exactly the same upper proportions as the largest elephant birds was "Dromornis stirtoni" of Australia, part of a 26,000-year-old group called mihirungs of the family Dromornithidae. The largest carnivorous bird was "Brontornis", an extinct flightless bird from South America which reached a weight of and a height of about . The tallest carnivorous bird was "Kelenken", which could reach 3 to 3.2 meters in height and 220 to 250 kilograms. The tallest bird ever was
The Goose That Laid the Golden Eggs goose that lays the golden egg", sometimes shortened to "Killing the golden goose", derives from this fable. It is generally used of a short-sighted action that destroys the profitability of an asset. Caxton's version of the story has the goose's owner demand that it lay two eggs a day; when it replied that it could not, the owner killed it. The same lesson is taught by Ignacy Krasicki's different fable of "The Farmer:" There is another variant on the story, recorded by Syntipas (Perry Index 58) and appearing in Roger L'Estrange's 1692 telling as "A Woman and a Fat Hen"