The Key to Scientific Names

Edited by James A. Jobling
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xanthorhynchus

Gr. ξανθος xanthos  yellow; á¿¥υγχος rhunkhos  bill.


Xanthorhynchus

(Bucerotidae; syn. Tockus † Southern Yellow-billed Hornbill T. leucomelas) Gr. ξανθος xanthos  yellow; ῥυγχος rhunkhos  bill; "Xanthorhynchus gen. nov., type Buceros leucomelas Licht.: bill very long, conspicuously and evenly arching, normally not toothed, though sometimes slightly chipped; length of the culmen about two and a half times the height at the nostrils; casque forming a high ridge, evenly arching with the bill, from which it is marked off by a shallow groove extending to a point not far from the tip; wing and tail of about the same length; secondaries as long as the primaries." (A. Roberts 1922); "Xanthorhynchus A. Roberts, 1922, Annals Transvaal Mus., VIII (4), p. 214.  Type, by original designation, Buceros leucomelas Lichtenstein, 1842." (JAJ 2020).


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