The birds are hard to observe, as they live in a region of mountainous forest, so the researchers have attached tiny cameras to the tails of some birds, as one method of investigating their behaviour.
这些鸟很难观察，因为它们生活在山区森林里，所以研究人员在一些鸟的尾巴上安装了微型摄像机，以此作为一种研究它们行为的方法。
The last straw could have been a heatwave that hit the region in late 2005, when dead possums of several species were found along forest roads.
应该是2005年末袭击这个地区的一场热浪给了这种动物致命的打击，那个时候在森林小路上发现了几个品种的死负鼠。
LIKE something from a Russian fairy tale, a solitary tower rises through the morning mist blanketing a field deep in the forest of the Kaluga region south of Moscow.
好像俄罗斯童话中的场景，在莫斯科南部卡卢加地区森林深处，晨雾笼罩的田地里，一座孤塔高高耸立。
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