Named for Philomachus pugnax, or ruff (male) and reeve (female). {It belongs to the family of the Scolopacidae and is on the list of endangered birds in the Netherlands.} (M 33793; M 34089) _ _.
Discovered on 26-3-1971 in Palomar by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T.