What is an African bird of the genus Buphaga, which feeds on the larvæ of botflies hatched under the skin of oxen, antelopes, etc. Two species are known called?

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beefeater — (Zoöl.) An African bird of the genus Buphaga, which feeds on the larvæ of botflies hatched under the skin of oxen, antelopes, etc. Two species are known. (Webster's 1913.)

What is an African bird of the genus Buphaga, which feeds on the larvæ of botflies hatched under the skin of oxen, antelopes, etc. Two species are known called?

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