Behavioral group | Branching order | |||||||
---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8+ | |
P7 | 4.20 ± 0.49 | 8.10 ± 1.11 | 12.20 ± 1.452-ab | 13.40 ± 1.222-a | 11.50 ± 1.492-a | 7.80 ± 1.332-a | 4.80 ± 1.1622-ab | 3.60 ± 1.862-a |
D1 adult | 3.88 ± 0.67 | 7.25 ± 1.25 | 9.38 ± 1.212-a | 13.25 ± 1.132-a | 13.50 ± 1.072-ab | 13.38 ± 1.78bc | 9.38 ± 2.10c | 8.00 ± 2.80b |
Nurse | 4.36 ± 0.58 | 7.73 ± 1.04 | 11.46 ± 1.342-ab | 12.55 ± 1.472-a | 11.73 ± 1.132-a | 8.73 ± 1.032-a | 3.91 ± 0.842-a | 3.64 ± 1.852-a |
New precocious forager | 6.25 ± 0.65 | 10.63 ± 0.94 | 15.00 ± 1.68b | 18.13 ± 1.36b | 12.88 ± 2.012-ab | 6.50 ± 1.402-a | 2.75 ± 1.052-a | 2.13 ± 1.402-a |
Experienced precocious forager | 3.67 ± 0.47 | 6.33 ± 0.707 | 10.33 ± 0.872-a | 14.78 ± 1.912-ab | 18.00 ± 1.99c | 14.11 ± 1.36bc | 10.33 ± 2.20c | 11.11 ± 3.32b |
Forager | 4.00 ± 0.42 | 7.70 ± 0.746 | 11.50 ± 0.622-ab | 12.80 ± 0.852-a | 12.50 ± 1.342-a | 10.30 ± 1.172-ab | 8.00 ± 1.31bc | 9.90 ± 3.21b |
Four-week-old | 4.19 ± 0.61 | 8.50 ± 1.39 | 11.50 ± 1.292-ab | 14.25 ± 1.632-ab | 16.31 ± 1.50bc | 15.31 ± 1.35c | 10.69 ± 1.96c | 11.00 ± 4.03b |
↵F2-a –cSignificantly different groups as indicated by post hoc pairwise comparisons (least square mean test, p < 0.05). Groups assigned the same letters are statistically similar to each other.