Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
1977 Walter D Koenig
Melanerpes formicivorus
Y Nest Record
Hastings Reservation
Noone roosted
hereat dusk.
2 June 1300. Bird first seen in hole.
3 June 900 Hole opened (noone in it); 2 eggs
① 24.6 × 21.1
② 23.5 × 20.5
1800. Still 2 eggs
4 June 1000 3 eggs (still noone incubating)(cold)
③ 24.9 × 21.2 . Noone roosted in
hole at dusk.
5 June 850 Bird in hole (♀)
920 Noone in hole. Still 3 eggs, warmish.
1330. Bird in hole.
1900. ♀ in hole: 4 eggs: ④ 24.8 × 20.8
2100 Noone roosted here again tonight.
6 June 800 Noone in hole.
1600. ♂ in hole: still 4 eggs, warm.
2100 Noone roosted here again tonight.
7 June 900 ♂ in hole
1845 Bird in hole.
2030 ♂ in hole, remained here to roost.
8 June 1710 Bird in hole.
2045 Bird in hole at dusk.
15 June 1130 Bird in hole. All 4 eggs warm, opaque.
16 June 1130 ♀16 in hole. All 4 eggs warm. No sign of
pipping as yet.
1900 ♀16 in hole. All 4 eggs pipping (#3 with
small hole, others dented & broken only)
Weak cheeps heard from eggs.
17 June 950 All 4 hatched, measured.