Researchers in New Zealand have made what they believe is the first recording of a shark actively making noise. By Yan Zhuang Dolphins whistle. Whales sing. Fish croak, chirp, grunt, hum and growl.

Researchers document a rig shark's vocal capabilities in a University of Auckland experiment conducted between May 2021 and April 2022. Click. Click. Click. Marine biologist Dr. Carolin Nieder, ...