Pygarg in Fausset's Bible Dictionary
dishon. A clean animal (Deuteronomy 14:5). A generic name for
the "white rumped (as pugarg means in Greek) antelope" of
northern Africa and Syria. The Septuagint has translated the
Hebrew by "pygarg"; living near the habitat of the pygarg they
were likely to know. The mohr kind is best known, 2 ft. 8 in.
high at the croup. The tail is long, with a long black tuft at
the end; the whole part round the base of the tail is white,
contrasting with the deep brown red of the flanks. Conder
(Israel Exploration, July, 1876) makes it the "gazelle".