R.D. Grossin 1768 Bulwer's Petrel McKean Island 16 Oct. a nest site. Birds sitting on egg definitely call. Most of the nest sites, I found more detailed by hearing the birds call. All these marked nests had one parent calling from nest eggs. The birds on egg which call, however, do so in a slight tone than individuals calling from an empty nest site. I have no idea as to which sex (if not bird) are calling. 20 Oct. Banded 12 birds tonight and found only one return in this group (it was re-banded). The Silver Petrel returns have been in very good shape and so have been left on as I have no more metal bands to put on them. The return tonight was quite worn (652-46064) of an E. Now banding 11/03 - 07/081 put on a bird on the rock wall had 6 feathered Bird Petrel on 16 Oct was found tonight with a small chick. Possibly the F does not get a bare bird petrel ?? The species is quite numerous and apparently bred in a peak of nest County banding and by laying, although obviously some birds have been at it for some time. Almost every concentration of rocks or walls that I have passed along the entire W side (and NW) have had Bulwers calling from them. I have not heard any on the SW, S and E sides of the island in rocky areas there. One variation in the normal "hoot" "hoot" calling is that on the last two calls, a definite shortening and quick- ening is often heard. The steady "booting". R.D. Grossin 1768 Bulwer's Petrel McKean Island 20 Oct. may go on or in a regular rhythm for 30+ calls or may be in a series of 4-5 or a few more. Birds call apparently just as frequently from egg as empty nest cavities and tonight one bird was definitely calling from a bird with a small chick. All nest sites so far have been in rock crevices. Very little nesting material is brought in- usually a few pieces of straw or feathers were my only nest material. These are most likely old and ends which are already in the nest cavities. All that I have had any birds suggest to this far happen as Orange oil, Petroleum. Put the egg in marked nest 1 sometime between 1700 tonight and 1930 17. Since the nest cavity was entirely enclosed the only thing I can figure is that maybe the eggs which were moved in to rocks set egg. Certainly no cormorants could have gotten it. There was no trace of shells or anything. If it banded 6 adults tonight. I've got a junior had Bird Petrel. See other feathers. I believe they fly F.D. are also in getting their food patches bare or maybe even some don't get them, bare. Two singles and the pair were calling from empty nest cavities; two other singles were calling from or fresh egg. All nests in rock crevices, mainly 5-6 feet SE to camp in the Broad (rocky Tumble) Downwall areas.