Bustards, includingfloricans andkorhaans, are large,terrestrialbirds living mainly indry grassland areas and insteppe regions. They range in length from 40 to 150 cm (16 to 59 in). They make up thefamilyOtididae (/oʊˈtɪdɪdiː/, formerly known asOtidae).[1]
Bustards areomnivorous and opportunistic, eating leaves, buds, seeds, fruit, smallvertebrates, andinvertebrates.[2] There are 26 species currently recognised.
The wordbustard comes from the Old Frenchbistarda and some other languages:abetarda (pt),abetarda (gl),avutarda (es) used for thegreat bustard. The naturalistWilliam Turner listed the English spelling "bustard" and "bistard" in 1544.[3][4]
All of the common names above are derived fromLatinavis tarda oraves tardas given byPliny the Elder,[5][a] these names were mentioned by thePierre Belon in 1555 andUlisse Aldrovandi in 1600.[6][7] The wordtarda comes fromtardus inLatin meaning "slow" and "deliberate",[8] which is apt to describe the typical walking style of the species.[9]
Some Indian bustards are also called floricans. The origin of the name is unclear.Thomas C. Jerdon writes inThe Birds of India (1862)
I have not been able to trace the origin of the Anglo-Indian wordFlorikin, but was once informed that the Little Bustard in Europe was sometimes called Flanderkin. Latham gives the wordFlercher as an English name, and this, apparently, has the same origin as Florikin.
— Jerdon'sBirds of India, 2nd ed. ii. 625.
TheHobson-Jobson dictionary, however, casts doubt on this theory stating that
We doubt if Jerdon has here understood Latham correctly. What Latham writes is, in describing the Passarage Bustard, which, he says, is the size of the Little Bustard:Inhabits India. Called Passarage Plover. ... I find that it is known in India by the name of Oorail; by some of the English called Flercher. (Suppt. to Gen. Synopsis of Birds, 1787, 229). Here we understandthe English to be the English in India, and Flercher to be a clerical error for some form offloriken.
Bustards are all fairly large with the two largestspecies, thekori bustard (Ardeotis kori) and thegreat bustard (Otis tarda), being frequently cited as the world's heaviest flying birds. In both the largest species, large males exceed a weight of 20 kg (44 lb), weigh around 13.5 kg (30 lb) on average and can attain a total length of 150 cm (59 in). The smallest species is thelittle brown bustard (Eupodotis humilis), which is around 40 cm (16 in) long and weighs around 600 g (1.3 lb) on average. In most bustards, males are substantially larger than females, often about 30% longer and sometimes more than twice the weight. They are among the mostsexually dimorphic groups of birds. In only thefloricans is the sexual dimorphism the reverse, with the adult female being slightly larger and heavier than the male.[citation needed]
The wings have 10 primaries and 16–24 secondary feathers. There are 18–20 feathers in the tail. The plumage is predominantly cryptic.[2]
Bustards areomnivorous, feeding principally on seeds andinvertebrates. They make their nests on the ground, making their eggs and offspring often very vulnerable to predation. They walk steadily on strong legs and big toes, pecking for food as they go. Most prefer to run or walk over flying. They have long broad wings with "fingered" wingtips, and striking patterns in flight. Many have interesting mating displays, such as inflating throat sacs or elevating elaborate feathered crests. The female lays three to five dark, speckled eggs in a scrape in the ground, and incubates them alone.[19]
Bustards are gregarious outside the breeding season, but are very wary and difficult to approach in the open habitats they prefer.[21] Most species are declining or endangered through habitat loss and hunting, even where they are nominally protected.
The birds were once common and abounded on theSalisbury Plain. They had become rare by 1819 when a large male, surprised by a dog onNewmarket Heath, sold inLeadenhall Market for fiveguineas.[22] The last bustard inBritain died in approximately 1832, but the bird is being reintroduced through batches of chicks imported from Russia.[21] In 2009, twogreat bustard chicks were hatched in Britain for the first time in more than 170 years.[23] Reintroduced bustards also hatched chicks in 2010.[24]
^"proximae iis sunt quas Hispania aves tardas appellat, Graecia ωτιδος damnatas in cibis; emissa enim ossibus medulla odoris taedium extemplo sequitur." [Next to these are the birds that Spain callstardae and Greeceotides, which are condemned as an article of diet, because when the marrow is drained out of their bones a disgusting smell at once follows.][5]
^abdel Hoyo, J. Elliott, A. & Sargatal, J. (editors). (1996)Handbook of the Birds of the World. Volume 3: Hoatzin to Auks. Lynx Edicions.ISBN84-87334-20-2
^abPliny Natural History III Libri VIII-XI. The Loeb Classical Library. Translated by Rachham, H. Cambridge, Massachusetts: Harvard University Press. 1967. pp. 328–329.
^Bock, Walter J. (1994).History and Nomenclature of Avian Family-Group Names. Bulletin of the American Museum of Natural History. Vol. 222. New York: American Museum of Natural History. pp. 137, 252.hdl:2246/830.
^MacQueen's bustard has recently been split from the houbara bustard as a full species.
^Archibald, George W. (1991). Forshaw, Joseph (ed.).Encyclopaedia of Animals: Birds. London: Merehurst Press. pp. 98–99.ISBN978-1-85391-186-6.
^Pitra, C.; Lieckfeldt, D.; Frahnert, S.; Fickel, J. (2002). "Phylogenetic relationships and ancestral areas of the bustards (Gruiformes: Otididae), inferred from mitochondrial DNA and nuclear intron sequences".Molecular Phylogenetics and Evolution.23 (1):63–74.doi:10.1006/mpev.2001.1078.PMID12182403.
^abBota, G., J. Camprodon, S. Mañosa & M.B. Morales (Editores). (2005). Ecology and Conservation of steppe-land birds. Lynx Editions. BarcelonaISBN84-87334-99-7; 978-84-87334-99-3.
^The National Cyclopaedia of Useful Knowledge, Vol.III, London, (1847) Charles Knight, p.963
Bota, Gerard, et al.Ecology and Conservation of Steppe-Land Birds. International Symposium on Ecology and Conservation of Steppe-land birds.Lynx Edicions 2005. 343 pages.ISBN84-87334-99-7.
Sibley, Charles G.; Jon E. Ahlquist (1990).Phylogeny and Classification of the Birds: A Study in Molecular Evolution. New Haven: Yale University Press.ISBN978-0-300-04085-2.
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