Dolphins name themselves
They also answer to those chosen ‘names’
![Wild bottlenose dolphins (one shown) respond to hearing their "signature whistles." These individual, high-pitched tunes appear to serve as the animals' names. Credit: Courtesy of V. Janik, University of St. Andrews](https://www.snexplores.org/wp-content/uploads/2019/11/dolphin.jpg)
ANIMAL HANDLES Wild bottlenose dolphins (one shown) respond to hearing their "signature whistles," specific high-pitched tunes that may serve as the animals' names.
Courtesy of V. Janik, University of St. Andrews