Countermarking by male pygmy lorises (<Emphasis Type="Italic">Nycticebus pygmaeus</Emphasis>): do females use odor cues to select mates with high competitive ability?
1.Division of Biology, University of California, San Diego, CA 92093, USA,;2.Center for Reproduction of Endangered Species, Zoological Society of San Diego, P.O. Box 120551, San Diego, CA 92112, USA,