We describe a newly developed and low-cost feeder designed for use with arboreal small mammals under any climatic condition. As part of a project on bottom-up regulation of small mammal populations in central Brazil, we present the results of 16 months of food supplementation. During the study, more than 118 kg of milled cat food were consumed, out of a total of 207 kg offered. Moreover, we registered a low rate of loss (14.05%) of feeders from falling to the ground or termite/ant colonization. The round-pot feeder described here represents a low-cost method for providing continuous food-supplementation, contraceptives, or poisoned baits to arboreal small mammals.
We thank the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior for the postdoctorate scholarship (A.F.M., PNPD/CAPES 3119/10) and the Conselho Nacional de Desenvolvimento Científico e Tecnológico for the research funding (E.M.V., PELD/CNPq 483117/2009-9 and 403845/2012-2) granted during this study. We acknowledge and thank the Botanical Garden of Brasilia and the Ecological and Agricultural Field Station of the University of Brasilia for the permission granted for our fieldwork. Thanks are due to all undergraduate and graduate students who provided valuable help in our fieldwork. We are also grateful to N. Camargo for helpful comments on an earlier draft of this paper.
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The online version of this article (DOI: https://doi.org/10.1515/mammalia-2016-0171) offers supplementary material.
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