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Frequencies and Inter-Individual Variation in Communicative Behaviors in Experiment 1 for Gorillas*
| Testing condition |
||
|---|---|---|
| Behavioral category | Experimenter present | Experimenter absent |
| Vocalization | 2 (2) | 0 |
| Gesture | 28 (2) | 6 (5) |
| Cage bang | 2 (1) | 0 |
| Lip pout | 2 (2) | 0 |
| Clap | 0 | 0 |
| Spit | 0 | 0 |
| Barter | 0 | 0 |
| Display | 3 (1) | 1 (1) |
| Leave | 0 | 4 (2) |
| Other | 0 | 0 |
| Dclean | 18 (2) | 10 (3) |
Values given are number of occurrences of each behavior (number of individuals performing each behavior).
