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This is a list of Otidiformes species by global population. While numbers are estimates, they have been made by the experts in their fields. For more information on how these estimates were ascertained, see Wikipedia's articles on population biology and population ecology. This list is not comprehensive, as not all species have had their global populations estimated.

Species by global population

Common name	Binomial name	Population	Status	Trend	Notes	Image
Great Indian bustard	Ardeotis nigriceps	300 [1]	CR [1]	[1]	Maximum estimate. Equal to 250 mature individuals. [1]
Bengal florican	Houbaropsis bengalensis	350-1,500 [2]	CR [2]	[2]	Equal to 250-999 mature individuals. [2]
Lesser florican	Sypheotides indicus	730 [3]	CR [3]	[3]	Estimate for mature individuals only. Wider estimate is 356–1,228 mature individuals. [3]
Blue bustard	Eupodotis caerulescens	12,000-15,000 [4]	NT [4]	[4]	Equal to 8,000-10,000 mature individuals. [4]
African houbara	Chlamydotis undulata	20,000-49,999 [5]	VU [5]	[5]	Equal to 13,000-33,000 mature individuals. [5]
Great bustard	Otis tarda	44,000-57,000 [6]	VU [6]	[6]
Asian houbara	Chlamydotis macqueenii	50,000-99,999 [7]	VU [7]	[7]	Equal to 33,000-67,000 mature individuals. Global population estimates are difficult to establish for this species. [7]
Australian bustard	Ardeotis australis	100,000 [8]	LC [8]	[8]	Maximum estimate. Roughly equal to 6,700-67,000 mature individuals. [8]
Little bustard	Tetrax tetrax	100,000-499,999 [9]	NT [9]	[9]	European subpopulation estimated at 122,000-240,000 mature individuals. [9]
Ludwig's bustard	Neotis ludwigii	100,000-499,999 [10]	EN [10]	[10]	Estimate may be too wide. Further work to refine it is underway in Namibia. [10]

References