image: A Rhinella henseli hitches a ride on another frog. This material relates to a paper that appeared in the June 21, 2017, issue of Science Advances, published by AAAS. The paper, by F.S. Campos at Universitat de Barcelona in Barcelona, Spain, and colleagues was titled, "Cost-effective conservation of amphibian ecology and evolution." view more
Credit: [Credit: Campos <i>et al.</i> / <i>Science Advances</i>]