oxpecker, noun
Either of two birds of the Buphagidae, Buphagus africanus, distinguished by a predominantly yellow bill, or B. erythrorhynchus, with a red bill, both having sharp claws enabling them to cling onto grazing animals while devouring ticks and other parasites; buffalo bird, see buffalo sense 2; rhenostervoël; rhinoceros bird; rhinoster bird, see rhinoster sense 1 b; tick-bird sense 2.
1884 Layard & Sharpe Birds of S. Afr. 419During our stay in the bush Ox-peckers appeared in numbers about our oxen, and actually ate large holes in the fleshy part of their backs.
1990 Grocott’s Mail 30 Oct. 3The oxpecker, whose appetite for ticks is seemingly insatiable, is also the farmers’ friend.
Either of two birds of the Buphagidae, Buphagus africanus, distinguished by a predominantly yellow bill, or B. erythrorhynchus, with a red bill, both having sharp claws enabling them to cling onto grazing animals while devouring ticks and other parasites; buffalo bird, see buffalo sense 2; rhenostervoël; rhinoceros bird; rhinoster bird, see rhinoster sense 1 b; tick-bird sense 2.

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