image: This shows a young boy and a robin (Erithacus rubecula) watching each other. This image relates to a paper that appeared in Jan. 18, 2013, issue of Science, published by AAAS. The paper, by Henrique Miguel Pereira at Universidade de Lisboa in Lisboa, Portugal, and colleagues was titled, “Essential Biodiversity Variables.” view more
Credit: [Image courtesy of Edwin Kats, Royal Society for the Protection of Birds]