Sight or scent: lemur sensory reliance in detecting food quality varies with feeding ecology.

Notably, when only visual cues were available, only the ring-tailed lemurs maintained a significant preference for red over green foods ( n = 4; G 1 = 10.12, P <0.01), as similar trends failed to reach statistical significance for either the sifakas ( n = 4; G 1 = 2.31, P = 0.13) or the ruffed lemurs ( n = 5; G 1 = 0.81, P = 0.37; Figure 5A ).

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