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1 June 2012 Population Density of the Helmeted Curassow (Pauxi pauxi) in Tamá National Park, Colombia
Víctor Setina, Diego J. Lizcano, Daniel M. Brooks, Luís Fábio Silveira
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Abstract

We estimated the population density of the Helmeted Curassow (Pauxi pauxi) in Tamá National Park (TNP) Colombia, using visual counts between December 2006 and December 2008. We used six line transects (1 km each) equitably distributed in a natural forest between 800 and 1,200 m asl in the southern part of the park. The sampling effort was 588 hrs with a total distance of 490 km, a detection rate of 0.06 records/hr, and an encounter rate of 0.08 individuals/km. Only solitary individuals were recorded (n  =  40); the estimated density was 4.8 individuals/km2. Most detections occurred in the lower strata of the forest (floor and sub-canopy) where hunters take advantage of curassows in the lower strata for successful harvest. The southern sector of TNP becomes important in the dry season. Our study suggests a large population is in TNP, but harvesting activities including removal of eggs, chicks, and juveniles, and hunting adults are affecting the reproductive rate and population of the species.

Víctor Setina, Diego J. Lizcano, Daniel M. Brooks, and Luís Fábio Silveira "Population Density of the Helmeted Curassow (Pauxi pauxi) in Tamá National Park, Colombia," The Wilson Journal of Ornithology 124(2), 316-320, (1 June 2012). https://doi.org/10.1676/11-097.1
Received: 6 June 2011; Accepted: 1 February 2012; Published: 1 June 2012
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