Orangutan mothers arrange play dates for their babies
Nature, Published online: 15 October 2026; doi:10.1038/d41586-026-03238-1
Solitary primates spend energy and time travelling to patches of forest for get-togethers.原文：https://www.a8q9.cn/en/article/orangutan-mothers-arrange-play-dates-for-their-babies-e19a8f.html