Captive Rüppell’s vultures display extensive, graded vocal repertoires
A PLOS One observational study documented graded calls from Rüppell’s vulture eggs, chicks and adults at two Dutch institutions, with ...
Tag: Rüppell’s vulture
Observational study reveals complex calls in endangered Rüppell’s vultures
An observational study of endangered Rüppell’s vultures identified 16 call types and substantial variation among them, while leaving the functions ...
