A test of the lateral semicircular canal correlation to head posture, diet and other biological traits in "ungulate" mammals.

Head-butting is found to have a highly significant statistical effect on reconstructed head posture (F = 39.467; p-value = 0.002), with a difference of 13° between head-butting and non-head-butting species on average (Fig. 7 ); however, with only 1° difference on average (Fig. 7 ), the same is not true for the neutral head posture (F = 3.126; p-value = 0.591).

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Diet is found to have no statistical effect on neutral head posture (p-value = 0.516), and its relationship to the reconstructed cranial orientation is barely significant (p-value = 0.046).

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6 ), but a slight trend toward more downwardly tilted head postures seems to occur in species living in a more open habitat (Fig. 6 ); however, this trend is not significant (F = 1.343; p-value = 0.792).

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