They speak.
Other animals have language-like systems we are only now learning to read. Each species in this listening post is presented as something you can hear, sort, and try to speak back to. We do not know what they are saying. We are listening.
Species · live and forthcoming
Sperm whale
Physeter macrocephalus
live
A phonetic alphabet of clicks. Combinatorial, context-sensitive. 35 distinct codas in the recorded data.
Eastern Caribbean clan · Dominica · 2024
Corvids
Corvidae
planned
Recursive call structure observed in carrion crows. Hints at hierarchical syntax.
Multiple study sites · 2023
Prairie dogs
Cynomys
planned
Alarm calls modify in real time to describe predator size, color, and shape. Functionally referential.
Arizona · long-term study · 2009
Each entry is added when the underlying science is solid enough to demonstrate, not when it is interesting enough to claim. The list will grow slowly.