Vol.29, No.1–2 JUNE 2024

<NOTE>
A lone chimpanzee mother–infant pair was indifferent to frequent leopard calls
Michio Nakamura

<NOTE>
The first case of hunting and consuming an anomalure by chimpanzees (Pan troglodytes schweinfurthii) in Kalinzu forest, Uganda
Shimei Shirasawa, Hiroyuki Takemoto, Chie Hashimoto & Nahoko Tokuyama

<NOTE>
Simulation of leaf grooming as play by infant wild chimpanzee
Masaki Shimada

<NOTE>
Seasonal hunting for red colobus monkeys by Mahale chimpanzees
Kazuhiko Hosaka, Michio Nakamura, Hiroshi Ihobe & Yukio Takahata

<NOTE>
Male chimpanzee age affects red colobus monkey hunting success
Kazuhiko Hosaka, Michio Nakamura, Hiroshi Ihobe & Yukio Takahata

<ESSAY>
The chimpanzee name game
William C. McGrew

<ESSAY>
Naming chimpanzees: Not an easy task
Michio Nakamura

<BOOK REVIEW>
The Chimpanzee Whisperer: A Life of Love and Loss, Compassion and Conservation
William C. McGrew

<BOOK REVIEW>
Chimpanzee Rights. The Philosophers’ Brief
William C. McGrew