Canine length in wild male baboons: maturation, aging and social dominance rank.

When we restricted our analyses to the top half of the ordinal rank distribution (ranks 1 through 8, n = 47, because lower ranking males rarely sire offspring) [ 16 ], we found a marginally significant linear relationship between dominance rank and length-for-age that explained ~9% of the variance in dominance rank: Dominance rank = (-1.59*length-for-age) + 3.33, F 1,45 = 4.510, R 2 = 0.091, p <0.05 ( Fig 3 ).

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