Hundreds of hours of recordings suggest that the apes can generate meaning by stringing sounds together in pairs. But some ...
A new study has found that the world's finest yodellers aren't from Austria or Switzerland, but the rainforests of Latin America. The research provides significant new insights into the diverse vocal ...
To do this, Berthet and her colleagues built a database of 700 bonobo calls and deciphered them using methods drawn from ...
The monkeys' "ultra-yodels" had frequency leaps that were five times larger than human frequency changes, often exceeding three octaves. (Human yodelers are limited to one octave.) While the monkeys' ...