Field notes, v1472
Page 591
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Marshall, 1945 Palau Collocalia inexpectata all islands abundant throughout but not evenly dists. Always some along crest of ridge. Not in jungle. Small groups or flocks of a dozen favor certain spots where they are seen daily: a certain populated road intersection on Babelthuap, a road cut in farm co. on Koror, road between ridge & lagoon N end Koror ridge (the little ridge). Favors roads. Flocks seem to spend hours (or all day?) at a single road cut & stay within 100 yds & generally stick to 1-5 yds in air. Evening gathering is spectacular: at this north termination of the Koror little ridge is inland which is metropolis for Pteropus, Emballonura, Otus. At dusk the swifts begin to gather there, augmenting the local groups until several hundred are there. They continue foraging even while Emballonura are out then they begin to go higher - treetops, then over the trees - then swirl around & ascend in a loose cloud. By that time it's dark & the cloud has disappeared over the ridge. I always enjoyed watching a pair in