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Drive counts for grey brocket deer Mazama gouazoupira in the Bolivian Chaco / Estimation de la population du cerf brun Mazama gouazoupira dans le Chaco de Bolivie par la méthode du dénombrement total

Abstract In the context of a community wildlife management program with the Isoseño communities of the Bolivian Chaco, we tested drive sample counts as a method for estimating densities of grey brocket deer ( Mazama gouazoupira ). Drive count density estimates of 12–14/km2 are consistent with radiotelemetry data and are several-fold higher than estimates from line transect surveys of 1.7–2.4/km2. However, drive counts are not suitable for other Chacoan game species, with the possible exception of collared peccary ( Pecari tajacu ). In addition to providing density estimates, drive counts facilitate and encourage the wide participation of community members in research and monitoring activities, and are also valuable in demonstrating basic wildlife management concepts.