Alaska field notes, v4468
Page 331
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Tomich 1953 Stercorarius pomarinus July 15 Point Barrow, Alaska process of hatching; 1 egg, this nest not ready to hatch so evidently the other egg is missing. July 17 Nests seen today two, both hatched, chicks not seen but adults guarding vicinity. At L.E. on July 15 I saw 3 birds about 200 yards out on the floating lagoon ice. Two came in and had an altercation with a nesting pair but the third remained perched for half an hour or more on the ice. July 20 Nest at S. end of L.E., to S.W., has one fluid- filled egg still being incubated. This nest may have had a second egg. Earlier note indicates the clutch size. Other nests in this area are all hatched. July 26 Several young in marsh plot with flight feathers in A, B, or nearly C stages. The birds are docile and do not attempt to run off when disturbed. There is considerable discord among the various pairs in the marsh and some of the birds may be wandering unsuccessful breeders that can move little without infringing upon established territories. At the S.E. corner of the plot 7 birds were briefly involved in a dispute and to the north of the plot another 7 were similarly engaged about an hour later. Birds that died at us when we were near the young often