Table 1.

Summary statistics of individuals included in the linear mixed model analyses.

Sample	Percent males	Percent melanism	Percent Reproductive	Mean IAS (SD)*	Mean relative pack size (SD; Range)	Mean number of interactions (SD)**	Number of natal packs represented
GRM (n=111)	47.7	47.7	37.8	4.50 (1.2)	5.87 (5.8; −8.4–22.2)	15.72 (14.5)	14
Pedigree (n=141)	51.1	51.8	37.8	4.55 (1.2)	5.68 (6.1; −11.3–23.5)	15.56 (14.5)	17

(Abbreviations: GRM, genetic relatedness matrix; IAS, individual aggression score; n, sample size; SD, standard deviation)

^*The range of IAS was 1–7

^**The range for the number of interactions was 3–78