EarthFirst pictures of endangered Saharan cheetah Estimates put the numbers of the animal as low as 250, but this is little more than guesswork – the survey aims to produce a more reliable figure 51¶¯Âþ
EarthTree frogs help flag up biological hotspots Connecting areas with the most stable climate and the greatest diversity of frogs has helped reveal which part of a Brazilian forest has the highest biodiversity – a method that could save conservation dollars 51¶¯Âþ