Researchers in Russia have unveiled the near intact carcass of a juvenile female mammoth, whose remarkably well-preserved remains were discovered in thawing permafrost after more than 50,000 years. The creature was recovered from the Batagaika crater, a huge depression more than 80 metres (260 feet) deep which is widening as a result of climate change

• Baby mammoth in Russia is the ‘best-preserved’ ever found