en 60 /scienceandnature/news/story/43121.html?rss=1 US actor Harrison Ford and other celebrities have joined conservationists in an effort to save the tiger - an animal experts say may become extinct within the next few decades. /scienceandnature/news/story/38982.html?rss=1 Sharks could be used to predict the weather following ground-breaking research by a British marine biology student. /scienceandnature/news/story/38792.html?rss=1 Canada is about to begin its controversial annual commercial seal hunt with a quota of 275,000 harp seals. /scienceandnature/news/story/38022.html?rss=1 A bird not seen for almost 80 years has been discovered in the Pacific to the delight of conservationists. /scienceandnature/news/story/34962.html?rss=1 Rainforest is being logged on one of the world’s wildlife hotspots more quickly than almost anywhere else in South-East Asia. /scienceandnature/news/story/34322.html?rss=1 A Japanese electronics company has unveiled what it claims is the world's tallest elevator testing tower. /scienceandnature/news/story/33742.html?rss=1 The world's tallest animal, the giraffe, comprises a group of species rather than just one, a study finds. /scienceandnature/news/story/33682.html?rss=1 Environmentalists have welcomed the Japan's decision to drop plans to hunt humpback whales during this year's annual whaling expedition in the Antarctic. /scienceandnature/news/story/33662.html?rss=1 A global conservation group has attacked the EU Fisheries Council over its decision to increase the North Sea cod quota by 11 per cent in 2008. /scienceandnature/news/story/33282.html?rss=1 Beetles account for a quarter of all known life forms on the planet, and they're here to stay. /scienceandnature/news/story/33142.html?rss=1 A giant rat the size of a cat has been discovered in the pristine wilderness of western New Guinea's Foja Mountains. /scienceandnature/news/story/32242.html?rss=1 A vicious cycle of climate change and deforestation could wipe out or severely damage nearly 60 per cent of the Amazon forest by 2030, the WWF has warned. /scienceandnature/news/story/32222.html?rss=1 Scientists have discovered 11 new species of animals and plants in a remote area in central Vietnam. /scienceandnature/news/story/32182.html?rss=1 The penguin population of Antarctica is under pressure from global warming, according to a WWF report. /scienceandnature/news/story/24082.html?rss=1 Two of Britain's most stunning and vocal birds are increasing their UK numbers while seriously declining throughout the rest of their European range. /scienceandnature/news/story/24042.html?rss=1 After completing a two-day journey from China, giant pandas Bing Xing and Hua Zuiba have arrived in Spain. /scienceandnature/news/story/22662.html?rss=1 A new poisonous frog has been discovered in a remote mountainous region of Colombia in South America. /scienceandnature/news/story/22382.html?rss=1 Tyrannosaurus rex would have been able to outrun the likes of David Beckham and Wayne Rooney, a study suggests. /scienceandnature/news/story/19962.html?rss=1 The barn owl has won a ballot to find Britain's favourite farmland bird. /scienceandnature/news/story/15582.html?rss=1 The EU is the biggest global importer of many wildlife products, including tropical timber, caviar and live birds, a new report has warned. /scienceandnature/news/story/14302.html?rss=1 Dolphins off the South West coast are in severe danger of being completely wiped out, marine conservationists have warned. /scienceandnature/news/story/9621.html?rss=1 A massive cane toad the size of a small dog has been captured in northern Australia. /scienceandnature/news/story/9081.html?rss=1 Some of the world's biggest rivers are drying out, according to the global conservation group WWF. /scienceandnature/news/story/9001.html?rss=1 A beetle thought to be extinct in the UK since 1948 has been rediscovered in south Devon. /scienceandnature/news/story/8662.html?rss=1 Scientists have discovered that the clouded leopard found on the islands of Borneo and Sumatra is an entirely new species of cat.