Galapagos field notes, v579
Page 507
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
March 8 Chatam Bay, Coos Island, Costa Rica. Shows this [illegible] of vegetation. On the ground Anolis brownxudi was abundant. They are mostly striped, usually with dorsolateral yellow stripes but one with only vertical stripes. Some are barred with darker V or W marks, and with or without dorsolateral stripes. The gular spot of the male is orange. Here, as west Mexican Anolis, they usually hop rather than run long distances. They are extremely abundant; one comes on one every 6 or 7 feet in most places. All I saw was low down. The birds--all of them--were just the opposite. The finches, Pinnaeolia, and the flycatcher, Mus trichus, both tend to range at high levels in the trees, 20 ft to tree top level. The Flycatchers tended to stay higher, working in the crown. They are [illegible] olivaceous with yellowish wing tars, and have a funny, skattly-musical call. They are not very noisy; come to squeaking--sometimes. The finches work from about 3 ft up to tree top, usually above about 6 ft. when I saw them. The feed mainly on the larger branches of the trees, probing in black crevices and under lichens, but not apparently tearing them off. They also worked on leaves and in leaf axils: The bird looks rather downcurved, but its behavior reminds me much of our orange crowned warbler. Saw one tearing a cicada apart; the finch was holding the cicada apart and pulling off legs once the cicada was buzzing like weed. The finches made 3 or 4 soft calls; unfortunately I worked up a sufficient swet to erase the pencil note taken at this time. The song