Figures
Figure 1

A porpoise using echolocation to find and capture a fish at the Fjord and Belt research facility where the research by Wisniewska et al. was conducted.
The porpoise is wearing a tag that records the outgoing clicks and echoes returning from objects in this environment.
IMAGE CREDIT: MONIKA DYNDO/FJORD AND BELT.
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A two-part list of links to download the article, or parts of the article, in various formats.