| category of endangered species Those of the planet's flora and fauna which are threatened with extinction. Hunting and poaching to fuel the trade in ivory, horn, skins, fur and feathers have long been a threat to already endangered species. Pollution, agricultural expansion, loss of wetlands, deforestation and other erosion of habitats have been added to the hazards. Human activity was responsible for most of the animals and plants known to have been lost in the past two centuries | 濒危物种 (地球上那些濒临灭绝的的植物和动物。为了进行象牙、牛角、皮革、毛和羽毛贸易的打猎和偷猎，一直威胁已经濒临灭绝的物种。污染、农业扩张、湿地的减少、森林砍伐和其它栖息地的侵蚀，都增加了危险性。在过去两个世纪中，大多数动物和植物的灭绝是人类活动引起的。) |
