MOAS

Set to 4 different clues across 5 published puzzles, most often “Extinct birds” — The New York Times, Saturday, 1 June 2002.

4 letters

Every clue on record, most used first

Extinct birds2 times
The New York Times — Saturday, 1 June 2002
Old New Zealand nativesonce
The New York Times — Saturday, 23 October 2010
Extinct relatives of ostrichesonce
The New York Times — Saturday, 21 December 2002
Extinct New Zealandersonce
The New York Times — Sunday, 18 January 1998