. Bulletin of the British Ornithologists' Club. Birds. In Brief Bull. 1995 115(3) kHz. kHz Osec. Figure 1. Display call of Giant Snipe Gallinago undulata at Flor d'Oro, Bolivia, April 1993. Tape-recorded by the author. paraguaiae also occurs in the Flor d'Oro savanna. In fact, both species are heard displaying on my tape-recording. Sick (1993) also stated that G. undulata is often syntopic with G. paraguaiae. The display call of G. undulata (Fig. 1) is described by Sick (1993) as ". . 2-5 sonorous cries like 'HO-go, go' or 'Ga-ga, ga' with a human timbre, translated by coun
. Bulletin of the British Ornithologists' Club. Birds. In Brief Bull. 1995 115(3) kHz. kHz Osec. Figure 1. Display call of Giant Snipe Gallinago undulata at Flor d'Oro, Bolivia, April 1993. Tape-recorded by the author. paraguaiae also occurs in the Flor d'Oro savanna. In fact, both species are heard displaying on my tape-recording. Sick (1993) also stated that G. undulata is often syntopic with G. paraguaiae. The display call of G. undulata (Fig. 1) is described by Sick (1993) as ". . 2-5 sonorous cries like 'HO-go, go' or 'Ga-ga, ga' with a human timbre, translated by country people as 'agua-so, o-rapaz', or 'rola-pau'." Sick stated that these calls are uttered high in the air. He also mentioned a loud buzz, presumably a mechanical sound produced in flight, as in various other snipes. I was not able to verify whether the calls came from the air, nor did I hear the buzz, perhaps because the bird displayed quite far away. I thank Gregory F. Budney and his collaborators at Cornell Library of Natural Sounds for providing a sonagram of a known recording of G. undulata, and Torben Dabelsteen at the Zoological Museum in Copenhagen for letting me use the Kay Sonagraph. I also thank J. V. Remsen for reviewing the manuscript. References: Haverschmidt, F. 1974. The occurrence of the Giant Snipe Gallinago undulata in Surinam. Bull. Brit. Orn. CI. 94: 132-134. Remsen, J. V. Jr. & Traylor, M. A. Jr. 1989. An Annotated List of the Birds of Bolivia. Buteo Books, Vermillion, South Dakota. Sick, H. 1993. Birds in Brazil, a Natural History. Princeton Univ. Press. Ter Meulenplantsoen 20, 7524 CA Enschede, The Netherlands. SJOERD MAYER 21 October 1994. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Ornithologists' Club. London : The Club
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