endangered reason

基本解释

To provides food and shelter for endangered birds is not the only reason for us to protect wetlands…
为濒临灭绝的鸟类提供食物和栖息地并不是我们保护湿地的唯一…
The Panay monitor lizard in the Philippines is endangered for the same reason, as is the sail-fin water lizard whose hatchlings are sought for the pet trade.
菲律宾的班乃岛巨蜥也濒临灭绝，原因同上，帆鳍水蜥蜴也因同样的原因濒临灭绝，人们将刚刚孵化的帆鳍水蜥蜴幼仔用于宠物交易。
The reason of endangered wild animals can be divided into the external and internal. External is caused by man-made factors, internal is genetic failure and disease.
野生动物濒危的原因可分为外因和内因，外因多是人为因素造成，而内因主要是遗传衰竭、疾病等。

The reason many endangered species are not yet recovered (delisted) is because the projects to ensure their recovery are not yet completed.
FORBES: Report: Endangered Species Act Works