Table 1. Information on observed and filmed ant-dipping sessions at D. terrificus nests by identified chimpanzees (date, name, sex, technique, hand use, foot use, tool length).
| Date | Name | Sex | Technique | Hand | Foot | Tool length (cm) |
|---|---|---|---|---|---|---|
| 17.01.13 | Gai | F | Pull-through* | L | R | 190, 104 |
| 17.01.13 | Jo | M | Pull-through | – | R | 89 |
| 30.01.13 | Gure | M | Pull-through | R | – | 97 |
| 28.02.13 | Jo | M | Pull-through* | – | L | 106 |
| 28.02.13 | Prince | M | Pull-through | – | L | 69 |
| 02.03.13 | Yosuko | F | Pull-through* | L | – | 100 |
| 04.03.13 | Jo | M | Pull-through* | R | – | 130 |
*Staggered pull-through.