Table 1.
Pairwise relatedness (Lynch and Ritland’s genetic relatedness coefficients) and the duration (seconds) of 4 behaviors in encounters during the breeding season (BS) and food-hoarding season (FHS)
| Sex | Season | Relatedness | Investigative behavior | Neutral behavior | Amicable behavior | Agonistic behavior | Sample size (No. of paired encounters) |
|---|---|---|---|---|---|---|---|
| Female | BS | 0.019 ± 0.011 | 33.75 ± 2.89 | 496.66 ± 11.46 | 23.76 ± 10.35 | 34.20 ± 4.97 | 92 |
| Female | FHS | 0.028 ± 0.018 | 62.51 ± 12.46 | 396.68 ± 26.09 | 17.12 ± 11.99 | 114.51 ± 21.81 | 41 |
| Male | BS | −0.005 ± 0.010 | 36.35 ± 4.27 | 462.17 ± 12.96 | 6.81 ± 6.10 | 81.42 ± 11.07 | 78 |
| Male | FHS | 0.017 ± 0.009 | 44.18 ± 6.88 | 432.95 ± 22.86 | 0.00 ± 0.00 | 110.29 ± 22.02 | 38 |
Data represent the mean ± SE.