Animals 4 Columbidae 4 Male 4 anatomy and histology 4 animal 4 male 4 physiology 4 pigeons and doves 4 Article 2 Asymmetry 2 Biomechanical Phenomena 2 Biomechanics 2 Birdsong 2 Cavia 2 Chagas Disease 2 Chagas disease 2 Columba 2 Computer Simulation 2 Cost of plasticity 2 Diet 2 Disease Vectors 2 Feeding Behavior 2 Female 2 Guinea Pigs 2 Mammalia 2 Models, Theoretical 2 Morphometric traits 2 Nonlinear Dynamics 2 Nonlinear dynamics 2 Phenotype 2