Sementili-Cardoso G, Donatelli RJosé. Vocal divergence between two disjunct populations of Giant Antshrike (Batara cinerea) is related to environmental conditions. Austral Ecology. 2018. Available at: http://doi.wiley.com/10.1111/aec.12682.

Thiele D, Bailey WJ. The function of sound in male spacing behaviour in bush-crickets (Tettigoniidae, Orthoptera). Austral Ecology. 1980;5(3):275 - 286. Available at: http://www.blackwell-synergy.com/toc/aec/5/3.