Rattling cisticola song features and variability across sub- Saharan Africa.Published in:Journal of Zoology, 2012, v. 287, n. 2, p. 96, doi. 10.1111/j.1469-7998.2011.00890.xBy:Benedict, L.;Bowie, R. C. K.;Kitchener, AndrewPublication type:Article