Multimodal fertility cues in chimpanzees: How body odours complement sexual swellings
Marlen Kücklich, Madita Zetzsche, Sofya Dolotovskaya, Jakob W. Siepmann, L. Schmidt, Claudia Wiesner, B. Weiß, A. Widdig
This study investigates whether chimpanzee anogenital odours change during the fertile period and if males can detect these changes, finding subtle olfactory cues complement visual swelling signals.
Scientific Reports · Sep 10, 2026Peer-reviewedAnimal Behavior & Cognition