What Would It Mean to

Understand

What Whales are Saying

Sperm whale tilted to the right with other resting whale in the background

Project CETI (Cetacean Translation Initiative) is a nonprofit organization and flagship National Geographic Society program, dedicated to understanding and translating the communications of sperm whales through advanced machine learning, state-of-the-art robotics, and underwater acoustics.

CETI’s field research is primarily based in Dominica, where it operates a field station, but it also partners with researchers and institutions worldwide and analyzes data from multiple geographies.

All of CETI’s custom-developed technologies are nature-inspired and noninvasive.

We’re a nonprofit, interdisciplinary scientific and conservation initiative

CETI team on CETI-2 inflatable boat preparing drone
Sperm whale in resting pose

Why

This Matters

We’re listening to and translating how other species communicate - starting with the sperm whale. Our mission is simple:

1

Achieve breakthroughs in decoding sperm whale communication

2

Share our learnings with the world

3

Transform human understanding & connectivity

Leverage our findings to protect our oceans and planet

Our Vision
MORSE CODE STYLE
COMMUNICATION

The codas of clicks vary by different groups showing possible culture

THE LARGEST KNOWN
BRAIN IN THE UNIVERSE

With a brain six times the size of humans, untapped potential could be vast

Illustration of sperm whale swimming to the left
Two sperm whales swimming downward
What if…

We can listen and
understand another species.

For the first time in history, advances in technology have made it possible to understand the communication of animals.Imagine what would happen if we could understand what other animals are saying? What would they say? What could we learn?

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How CETI Works

CETI is working to establish the first evaluation metrics for how humans can systematically assess and validate non-human communication language models, creating a foundational framework for measuring machine interpretation of animal communication.

01

04

Phase

One

Monitor

Record the movements and sounds of sperm whales.

AERIAL DRONES
Photo of drone above water
AERIAL DRONES

Our gentle, aerial drones are state-of-the-art.

Small high-tech suction-cup
attached computers
HUNDREDS OF SYNCED
UNDERWATER MICROPHONES
SWIMMING ROBOTS
Close up of sperm whale swimming up and to the right

Phase

Two

PROCESS

The raw data is processed and prepared for the next step.

1
Conversation & Behavioral Data
Photo of drone above water
AERIAL DRONES

Our gentle, aerial drones are state-of-the-art.

2
Data visualization
3
Annotation & PREPARATION
CETI team on CETI-2 rigid inflatable boat
Close up of sperm whale swimming up and to the right

Phase

Three

TRAIN

Computers help people learn and understand whale communication.

1
Machine Learning
Photo of drone above water
AERIAL DRONES

Our gentle, aerial drones are state-of-the-art.

2
Whale Language Model
3
Linking Behavior & Language
Large group of sperm whales swimming toward left

Phase

Four

VALIDATION

Scientists eventually validate our understanding via carefully designed playback studies.

1
Linguistics
Photo of drone above water
AERIAL DRONES

Our gentle, aerial drones are state-of-the-art.

2
Language Acquisition
3
PHONOLOGY & MORPHOLOGY
Close up of sperm whale swimming to the right
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Scientist-led. Interdisciplinary.

CETI is taking on this challenge with a 360 approach made possible by an extensive cross-disciplinary team, an initial focus on sperm whales and the design and implementation of cutting-edge technology.

Listen to the Whales!

We’ll keep you up-to-date on the latest breakthroughs and progress.

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