The frequency of responses indicative of self-recognition to a mirror was compared to those generated by digitized photographs of tamarins (Experiment 1) and those generated by videotapes of real-time tamarin action or of prior tamarin action (Experiment 2) in cotton top tamarins. Results indicated more attentional responses toward the mirror in both studies, but behavioral indices of self-recognition were not consistently generated by the mirror. The two experiments confirmed that real time self reflection is a condition that generates heightened attention and rare examples of particular mirror-specific behaviors in tamarins.

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