Bustard Bustard Bustards, including floricans and korhaans, are large, terrestrial birds living mainly in dry grassland areas and on the steppes of the Old World. They range in length from . They make up the family Otididae (formerly known as Otidae). Bustards are omnivorous and opportunistic, eating leaves, buds, seeds, fruit, small vertebrates, and invertebrates. Bustards are all fairly large with the two largest species, the kori bustard ("Ardeotis kori") and the great bustard ("Otis tarda"), being frequently cited as the world's heaviest flying birds. In both the largest species, large males exceed a weight of , weigh around on average
Blastobasis tarda sexually dimorphic. Blastobasis tarda Blastobasis tarda is a moth of the family Blastobasidae. It is found in Australia in Queensland and New South Wales, as well as New Zealand. It is an introduced species in North America, where it has been found in southern California. It has also been reported from France. The wingspan is about 15 mm. Adults have brown forewings with fringes along the inner margin that are longer than the width of the rest of the wing. The hindwings are paler and narrower and have fringes along the costa and even longer ones along the inner margin.