1980 Walter D. Koenig Melanerpes formicivorus Plague (21 June) ready to go (it had already taken several days to get the battery set and to get the birds used to it). I didn't stay to watch, but Ron watched at 1200 or so and said that feeding was going just fine (the only hardware actually at the nest was one photocell connected to 2 thin wire leads). He also said that it didn't seem to be working, and that when he went up to weigh the babies he had a hard time getting it to trigger the camera. In any case, I left it set up until 930 today when I went up to collar the babies, and discovered that they had pecked at the photocell enough to have broken off one of the wire leads! The possibility of using all this stuff to watch nests is becoming ever thinner. At this point, using the timer for time-lapse pictures seems like the best bet. 930. Collared the babies (the 4 largest only) 1130. Finished collaring. Got lots of bugs. 22 June Collared the babies (only the 2 largest - I held onto the other 3) from 1315-1430, but only ended up with a few acorn bits and (wing, even though at least 2 feedings were of insects entirely). 23 June Collared the 4 largest babies, 1400-1530. Managed to get a fair number of goodies this time. 24 June 1430. Collared the babies. 1600. Finished. Got lots of goodies again this time. 25 June With the movie camera set up and running (1 frame every "4s", actually more like every 4.3s with the intervalometer I was using) I did a nest watch here from 1035-1215, getting [illegible] feeding visits and using about 22' of the film. 26 June Collared the babies here, probably for the last time, between