The kori bustard is generally a somewhat scarce bird. English naturalist William John Burchell described the kori bustard in 1822. Birds include the vulture, eagle, stork, bustard, Arabian partridge, bee eater, falcon and sunbird. The kori bustard is now generally uncommon outside major protected areas. The male kori bustard has a length of and a wingspan of . Up to 82% of kori bustard chicks die in their first year of life. It was long regarded a subspecies of the African houbara bustard "Chlamydotis undulata". The Indian Bustard, a highly endangered bird is found here. The endangered great Indian bustard is a magnificent bird found in relatively fair numbers. Desert inhabitants include the bustard and midday gerbil. This bustard is a watchful and wary bird. It has been used for the Spanish Ibex and Houbara bustard. The huge adult male great bustard is amongst the heaviest living flying animals. Peter Palmer played Sergeant James Bustard, a former Confederate soldier. The record-sized male Arabian bustard weighed .