Acorn woodpecker species accounts, v 4455
Page 291
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
1981 R.L. Munne 7 Melanerpes formicivorus Road 1 (18 April) ♀383 working acorns next to each other in the granary, with no sign of any aggression whatsoever. 1036, ♀383 returns to Black Oak nest (empty) enters 1050. Egg in 10 granary now totally demolished. No sign of it. No birds have returned to the sycamore where ♀383 'stored' ♀269's egg. 1100 End memorable watch. Raining now. So, to wrap up! ① 3 eggs were tossed. ♀269 tossed two of ♀383's. ♀383 tossed one of ♀269's! ② All were eaten or stored. However, they all became the communal property of the group, as many different birds fed on the eggs, ad the tossers showed no defense of the egg in any way. 19 April Start watch at 0615 in rain from PO Hill. ♀269's egg (tossed by ♀383) from 18 April still in storage hole in sycamore, but largely eaten & broken up. 0730 Bluebirds 0735, ♀383 lays in Black Oak Hole (fide Walter). ♀269 lays in V.Oakhole { 0808. ♀269 enters Valley Oak hole, with ♂486 in attendance. ♀269 had been at the Black Oak nest tree, but seemed bothered by the presence of the Rope & Ropeladder, which Walter left partially up 0810 ♀269 looks out 15 sec 0814 ♀269 leaves, flies to sycamore where tossed egg was "stored yesterday" ♂577 eats some fragments of the egg. ♀383 cats some of the eggshell & remains.