Esha Haldar

This study shows subadult macaws copy non-preferred actions better than adults in problem-solving tasks but are less likely to imitate specific actions, suggesting age-related differences in social learning.

This study shows undomesticated blue-throated macaws can imitate intransitive actions after observing others, indicating third-party imitation exists outside humans.

This study surveys video footage to assess vocal production learning (VPL) across parrot species, finding evidence of VPL in 136 of 163 surveyed species and identifying socio-ecological factors associated with its evolution.