1980 RL Mumme Melanerpes formicivorus Plaque 12 May Bad news, the nest may be abandoned! The bird that roosted last night emerged at 0550 (0450). Checking the nest, still one marked egg. The, nothing for 9 hours, through my watch, Walter's & Gwen's. Late in the PM I saw a bird fly to the nest tree, but checking it at 0600, still one egg. We cancelled around-the-clock watches after Gwen's watch, 1515 (1415). I checked the "canyon" hole at 1500, still nothing, although a bird did fly to the tree while I was hanging in it. Watching in the PM, a few idle trips up watertank hill and to Blom canyon, but that was all. I watch roosting up in the canyon hole, zero! Many watches the nest, one bird roosted 13 May Checked nest 0720, still one egg. Watching nest again at 0730. 0845, Nothing! Calling it quits here. * 1100 watching from Adobe Hill. 3 good fellows of 494 by 473. 2 good independent pairs 1125 Dominance between 473!! Both and & on top of the 2° tree, 473 directs pecks at head of 521!! I believe that the present was 496, but not sure. 1135, 473 may have flown away from 494 (in cabin Blue Oak). 1150, Birds fly way up on Red Hill, on the ridge west of Jim's enclosure A quickie mount between 521 and 494, in the 2° tree at 1230. 473 flew over immediately. Checked canyon hole at noon: Nothing. 1240, Birds may be working on a hole in the cabin Blue Oak!