Date of Award

Winter 1-5-2023

Document Type

Thesis

Degree Name

Master of Arts (MA)

Department

Psychology

First Advisor

Diana Reiss

Second Advisor

Sonia Ragir

Academic Program Adviser

Diana Reiss

Abstract

Four beluga whales (Delphinapterus leucas) were tested for mirror self-recognition at the New York Aquarium. The whales were exposed to a mirror and a non-reflective plexiglass control. Two whales, Natasha and Maris, demonstrated self-directed behavior and Natasha passed one mark-test. Two whales demonstrated compelling evidence for MSR.

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