The buzz segment of Savannah sparrow song is a population marker.Published in:Journal of Ornithology, 2019, v. 160, n. 1, p. 217, doi. 10.1007/s10336-018-1611-7By:Williams, Heather;Robins, Clint W.;Norris, D. Ryan;Newman, Amy E. M.;Freeman-Gallant, Corey R.;Wheelwright, Nathaniel T.;Mennill, Daniel J.Publication type:Article