Scientifically known as Dromaius novaehollandiae minor, the extinct King Island emu is significantly smaller than the mainland Australia emu, known as Dromaius novaehollandiae.
The researchers found that mainland emu eggs are 1.3 lbs , while the King Island emu egg was 547 grams, or 1.2 lbs, just slightly smaller than the mainland emu, despite the vast difference in body size.
Unfortunately, the King Island dwarf emu went extinct by 1822, just a few years after humans arrived on the island, adding difficulty for experts to learn more about them.
Dwarf emus went extinct by 1822(From left to right) A mainland emu egg, a Tasmanian emu egg and a Kangaroo island emu eggThe King Island emu egg (pictured), was roughly the same size as the mainland emu egg, despite the two birds being drastically different in sizeMainland emus exist throughout Australia, while the King Island, Tasmanian and Kangaroo Island emu became their own distinct species, becoming separated and isolated after the last ice age endedA regression analysis chart comparing the size of the dwarf emu egg size with the mainland emuDwarf emus existed on Tasmania, Kangaroo and King Islands, all of which are now extinct.
"The only one known in the world [from the King Island dwarf emu]."