Scientists make 'atlas of life', map every tetrapod on Earth
An international team of scientists has completed the 'atlas of life', the first map of every four-limbed vertebrate on Earth. As per the team, the map contains 31,000 species of humanity's closest relatives, including around 5,000 mammals and 10,000 birds. The species are currently being classified with a rating, from "critically endangered" to "least concern" for conservation purposes.