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Total behavioral frequencies across the individual birds (M = male; F = female).
| Individual (Sex) | Yawns | Stretches | Scratches | Shakes |
|---|---|---|---|---|
| Group 1 | ||||
| Adele (F) | 0 | 29 | 26 | 23 |
| Paul (M) | 4 | 20 | 34 | 45 |
| Rufus (M) | 8 | 22 | 19 | 74 |
| Max (M) | 8 | 19 | 8 | 16 |
| Group 2 | ||||
| George (M) | 0 | 2 | 20 | 15 |
| Horst (M) | 0 | 6 | 11 | 17 |
| Laggie (M) | 0 | 18 | 13 | 23 |
| Louise (F) | 0 | 8 | 1 | 22 |
| Nobel (F) | 3 | 11 | 13 | 25 |
| Tom (M) | 0 | 22 | 19 | 38 |
| Mean ± SD | 2.30 ± 3.335 | 15.70 ± 7.55 | 17.70 ± 8.06 | 29.80 ± 18.26 |
