Broadcast Outage: We're investigating a broadcast transmission failure affecting the San Luis Valley from Antonito in the south to Salida in the north. We're working to resolve this issue. You can stream our live broadcast HERE or via the RMPBS+ App.

Stream live and on-demand content now on our new app:

RMPBS+

Donate

Help tell more stories in 2026 - make a year-end gift!

NOVA show's poster

Science and Nature

TV-PG

2022

NOVA Wonders What Are Animals Saying?

NOVA brings you stories from the frontlines of science and engineering, answering the big questions of today and tomorrow, from how our ancestors lived, to whether parallel universes exist, to how technology will transform our lives. Visit the official website to watch full-length documentaries, or explore our world through short-form video, on our digital publication NOVA Next.

RMPBS Passport

Please log in to your PBS Passport account to watch this video

Become a Member

NOVA Wonders What Are Animals Saying?

Season 45 Episode 101 | 52m 57s | CC

From singing whales and squeaking bats to thumping spiders and clicking dolphins, the world is filled with the exotic sounds of our fellow creatures. What are they saying? Can we decode their own communications? NOVA Wonders follows researchers around the globe who are deciphering an amazing array of clues that reveal how animals share information critical to their survival.

share

NOVA

Watch more episodes

NOVA Wonders What's the Universe Made Of?

Peer into the deep unknowns of the universe to explore its mysteries.

Black Hole Apocalypse

Take a mind-blowing voyage to the most powerful and mysterious objects in the universe.

The Impossible Flight

For the first time, two intrepid pilots fly a solar-powered airplane around the world.

National corporate funding for NOVA Wonders is provided by Draper. Major funding for NOVA Wonders is provided by National Science Foundation, the Gordon and Betty Moore Foundation, the Alfred P. Sloan Foundation and public television viewers, with additional funding for “Are We Alone?” and “What’s the Universe Made Of?” provided by the John Templeton Foundation. This material is based upon work supported by the National Science Foundation under Grant No. DRL-1420749. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

Subscribe to Our Newsletters

Get trusted Colorado stories, programs, and events from Rocky Mountain PBS straight to your inbox.

Set Your Preferences >