Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
De Benedict:
1964
March 15 on board "Golden Bear", Cocos Is to San Diego, Calif.
left off at about 8:30. By 10:30 the birds I got out of the freezer had thawed. The Nesotrichus had a orange-flesh lower mandibles and an orange mouth lining. It was in heavy molt on all body tracts and several primaries were being replaced.
I am having trouble with the Pinarosia skulls, for the air space is becoming fluid-filled and appears single layered (clay?). The Skinner yesterday may have been in the same condition. Ted showed some signs of molt on the head, but no where else. The samples contained gut but no recognizable food remains.
The one skeleton today (#385) was a F in full black plumage with a black bill, like #'s 379-380. The other (#384) was in immature plumage, and had a yellow bill. Its caudal ovaries were small and showed no signs of activity. The feathers were fine, but not discolored (as was the smacks one of the flycatchers). Spent most of the midday skimming.
By this time I was done the tip of Baja Calif. was visible and we passed fairly close to the cape, so that the Tuna factory and light house were clearly visible.
There were about 175+25 Marx Shearwaters about when I came out, but these soon disappeared almost entirely and, except for one group of about 60, I saw only 30 or so more in the next hour. They were in very diffuse groups, mostly at some distance from the "Bear" and flying parallel to it. With this