Syllable type consistency is related to age, social status and reproductive success in the tropical mockingbirdCarlos A. Botero, Sandra L. Vehrencamp, Selvino R. de Kort et al.|Animal Behaviour|2009Cited by 141
Trill consistency is an age-related assessment signal in banded wrensSelvino R. de Kort, Sandra L. Vehrencamp, Carlos A. Botero et al.|Proceedings of the Royal Society B Biological Sciences|2009Cited by 125