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"The Otis Tarda, the Great Bustard, which, as a native only became extinct in Norfolk about 1838, used to extend from East Lothian to Dorset, bit is now merely an occasional visitor to Britain. The upper parts are mottled with rufous, buff, and blackish-brown, the head is blue-grey, with long white bristles at the base of the mandible, the lower surface is white, relieved in the male by a tawny gorget for a short time during the breeding season. The primaries are black, most of the secondaries and wing-coverts white. Some other Bustards seem to have similar vernal change of plumage. The female is smaller and has no bristles." A. H. Evans, 1900

Great Bustard

"The Otis Tarda, the Great Bustard, which, as a native only became extinct in Norfolk about 1838, used…