1979 Walter D. Koenig Melanerpes formicivorus Lower Haystack Nest Record 26 May - 10 June 18 June 1450 20 June 1700 23 June PM-24 June AM 27 June 1000 27 June 1000 (wt) 13 July 1800 (wt w2) 18 July 1730 Hastings Reservation Birds seen at this hole now and again but no nest. See notes Opened hole: 4 eggs, opaque ① 22.0x17.3 (Dirty) (did not hatch) ② 27.7x20.2 (Clean) ③ 25.7x19.8 ("") ④ 25.5x20.1 (Almost clean) Still 4 eggs. Babies hatched. Checked hole: egg ① had not hatched but was fertile and contained a Dmm embryo. 3 babies were present, but one was dead. ① Banded ② ③ 18.2 7.9 3.5 (dead) (a♀-see notes) 82.5 55 72.1 33 78.5 82 73.5 60