1981 Walter D. Koenig Melanerpes formicivorus Gazebo (2 August) → Disappeared abt 18 March ± 2 wks. ♀509. Last seen at Gazebo and at Revolution at Lower Haystack on at beginning of April (Ron); also seen at Lower Haystack on 13 May. Ron thinks he saw her at Gazebo on 20 April; the new ♀ was here by ~28 April → left group about 24 April. ♂569. Last seen 21 Oct 1980, gone by 11 Jan. (me) → Disappeared about 30 Nov ± 1 month. ♀570. Still here on 8 May with the new ♀ but left directly thereafter → left group about 10 May. ♂571. Last seen at Gazebo on 20 April. By 28 April he was floating and seen at Blow Pond (28 April), Low Haystack (12 May), the Y and the 2nd Canyon on Blouquist (7 June) → left group ~24 April. ♂572. Last seen 21 Oct 80, gone by 11 Jan. (me) → Dis. abt 30 Nov. ± 1 month. Hastings Reservation