Phenotypic evolution

Comparative bioacoustics: a roadmap for quantifying and comparing animal sounds across diverse taxa
Animals produce a wide array of sounds with highly variable acoustic structures. It is possible to understand the causes and …
Breeding season length predicts duet coordination and consistency in Neotropical wrens (Troglodytidae)
Many animals produce coordinated signals, but few are more striking than the elaborate male–female vocal duets produced by some …