Which person is my trainer? Spontaneous visual discrimination of human individuals by bottlenose dolphins (Tursiops truncatus)

@inproceedings{Tomonaga2015WhichPI,
  title={Which person is my trainer? Spontaneous visual discrimination of human individuals by bottlenose dolphins (Tursiops truncatus)},
  author={Masaki Tomonaga and Yuka Uwano and Sato Ogura and Hyangsun Chin and Masahiro Dozaki and Toyoshi Saito},
  booktitle={SpringerPlus},
  year={2015}
}
Bottlenose dolphins are known to use signature whistles to identify conspecifics auditorily. However, the way in which they recognize individuals visually is less well known. We investigated their visual recognition of familiar human individuals under the spontaneous discrimination task. In each trial, the main trainer appeared from behind a panel. In test trials, two persons (one was the main trainer) appeared from the left and right sides of the panel and moved along the poolside in opposite… CONTINUE READING
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