Common marmosets (Callithrix jacchus) do not differentiate between familiar and unfamiliar conspecifics based on pitch contour information
Julia Victoria Grabner, Emma Pigmans, Monika Mircheva, Job Morgan Knoester, Robert Baumgartner, Ulrich Pomper, Thomas Bugnyar, Michelle J. Spierings
This study tests whether common marmosets use pitch contour information from vocalizations to recognize familiar vs. unfamiliar conspecifics, finding no group-level differentiation.
bioRxiv · Oct 27, 2025 · PreprintAnimal Behavior & Cognition