Spatial variation in black-headed night monkey (Aotus nigriceps) vocalizations
W. D. Helenbrook, N. A. Linck, M. A. Pardo, J. A. Saurez
The paper analyzes acoustic variability in black-headed night monkey vocalizations across social groups and populations, finding significant differences in call types and frequencies.
bioRxiv · Jul 8, 2019 · PreprintAnimal Behavior & Cognition