英语语法分析

The Capercaillie (Tetrao urogallus) is a large forest grouse, and it had been a red-list species because of the quickly declining of its habitat in Central Europe.

大松鸡(Tetrao urogallus)是松鸡科中最大的一种，由于牠在中欧的栖地正急速消失中，因此牠已被列入红皮书物种之一。