. Bulletin of the British Ornithologists Club. Jorge Perez-Emdn et al 120 100 80 Bull. 2003 123(2). 1943 1944 1945 1990 2000 Year of Expedition Figure 1. Species accumulation curve showing the increase in ornithological knowledge over time for Cerro Guaiquinima: cumulative number of species recorded by consecutive ornithological expeditions is used as an indicator of ornithological knowledge. The 1990 FUDECI expedition added 27 species to the summit avifauna over 19 man days, whilst the 2000 expedition found a further 20 new species in 30 man days. A species accumulation curve produced
. Bulletin of the British Ornithologists Club. Jorge Perez-Emdn et al 120 100 80 Bull. 2003 123(2). 1943 1944 1945 1990 2000 Year of Expedition Figure 1. Species accumulation curve showing the increase in ornithological knowledge over time for Cerro Guaiquinima: cumulative number of species recorded by consecutive ornithological expeditions is used as an indicator of ornithological knowledge. The 1990 FUDECI expedition added 27 species to the summit avifauna over 19 man days, whilst the 2000 expedition found a further 20 new species in 30 man days. A species accumulation curve produced from the results of the five expeditions that have been made to Cerro Guaiquinima (Fig. 1) shows that knowledge of the Pantepui avifauna is far from complete, as has been pointed out elsewhere (Dickerman & Phelps 1982, Barrowclough et al. 1995, 1997). A complete list of birds known from the summit and upper slopes of Cerro Guaiquinima is included in the Appendix. Species accounts LITTLE TINAMOU Crypturellus soui One was heard one hour before first light, probably in gallery forest, and on another occasion one was heard and tape-recorded an hour after dawn in dense humid forest at the base of a rock outcrop, both near the West Aberaima Camp. This species has been recorded in Pantepui at upper elevations of 1,280 m on Cerro Urutani (Dickerman & Phelps 1982), 1,300 - 1,600 m on the south-west slopes of Ptari- tepui and at 1,220 m on the north slope of Cerro Camani (COP specimens). TURKEY VULTURE Cathartes aura Pairs and single birds were seen quartering over the summit vegetation on three occasions close to West Aberaima Camp and within one hour of midday. All birds showed the white nape patch characteristic of the resident subspecies ruficollis. The species is widespread in 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 perfect
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