image: A great spotted cuckoo chick is raised alongside a carrion crow chick. This image relates to a paper that appeared in the 21 March, 2014, issue of Science, published by AAAS. The paper, by Daniela Canestrari at the University of Oviedo in Oviedo, Spain, and colleagues was titled, "From Parasitism to Mutualism: Unexpected Interactions Between a Cuckoo and Its Host." view more
Credit: [Image courtesy of Vittorio Baglione]