Publisher's Note
Japanese macaque cultures
Aggression and vocalization behaviour of three sympatric vole species during conspecific and heterospecific same-sex encounters
Structural and temporal emission patterns of variable pulsed calls in free-ranging killer whales (Orcinus orca)
Sexually antithetical song structure in a duet singing wren
Boldness is influenced by social context in threespine sticklebacks (Gasterosteus aculeatus)