image: Xiphorhynchus guttatus one of the studied species. This material relates to a paper that appeared in the July 3rd, 2019, issue of Science Advances, published by AAAS. The paper, by S.M. Silva at Museu Paraense Emílio Goeldi in Belém, Brazil, and colleagues was titled, "A dynamic continental moisture gradient drove Amazonian bird diversification." view more
Credit: [Credit: Aleixo]