Table 6 General characteristics of the six chimpanzees.

From: Body part categorical matching in chimpanzees (Pan troglodytes)

Name

GAIN ID numbera

Sex

Age (when the study started)

Kinship

Ai

0434

Female

44

Ayumu’s mother

Ayumu

0608

Male

20

Ai’s son; Pal’s paternal half sibling

Chloe

0441

Female

39

Cleo’s mother

Cleo

0609

Female

20

Chloe’s daughter

Pal

0611

Female

20

Ayumu’s paternal half sibling

Pendesa

0095

Female

43

  1. aIdentification number for each chimpanzee listed in the database of the Great Ape Information Network (GAIN; https://shigen.nig.ac.jp/gain/).