Ep. 838: How To Translate Animal Language

George Bumann, a naturalist and sculptor who leads seminars in Yellowstone National Park, describes how animals use varied vocalizations that carry specific information rather than generic signals. In conversation with the host, he draws on decades of field observation to explain mechanisms such as recombined sound fragments, contextual adjustments, and cross-species listening. The discussion stays grounded in recorded examples from prairie dogs, ravens, turkeys, vervet monkeys, and squirrels, while noting what remains difficult to confirm without long-term tracking.

Complex vocabularies in small mammals
Prairie dogs produce distinct calls that identify particular threats and even human traits. Experiments show separate vocalizations for a walking person versus a running one, for a person in a green shirt versus a red one, and for a dog versus a coyote. When researchers introduced novel objects such as a black plywood shape, the colony generated a previously unrecorded call that was later reused for the same shape. Vervet monkeys similarly maintain separate alarms for aerial predators and ground threats; playback studies confirm that troop members respond by climbing or scanning accordingly. Young animals refine these calls through social correction from adults, indicating both innate templates and learned precision.