Springer Animal Sciences, 18 Jun 2019 Adolescent chimpanzee males took on a new parent-like role for their younger siblings when their mothers passed away. The…
Springer Japan, 14 Jun 2019 【論文無料公開中】 チンパンジーの母親が亡くなると兄は弟妹の面倒をよく見る。 Social relationships and caregiving behavior between recently orphaned chimpanzee…