亚马逊鹦鹉

美国农业部说，亚马逊鹦鹉，例如，可以把病毒传染一年多来，而不是生病。

The Agriculture Department says Amazon parrots , for example , can spread the virus for more than a year but not get sick .

因为圣文森特亚马逊鹦鹉属于我们所知的雌雄同形的鸟类，所以很难从外表区分雌雄。

Because St. Vincent Amazon parrots are what are known as sexually monomorphic , it is impossible to tell males from females just by looking at them .

鉴于圣文森特亚马逊鹦鹉的处境，这些鸟儿的交易受到严格的控制。

Because of the St. Vincent Amazon parrot 's status , trade of the birds is highly regulated .

生活在圣文森特小岛的亚马逊鹦鹉，最初于1970年被列为濒临灭绝物种。

The St. Vincent Amazon parrot , found only on St. Vincent Island , was first listed as endangered in 1970 .

这种需求，再加上自然危害和圣文森特亚马逊鹦鹉的分布范围较小，使得这一物种濒临灭绝。

This demand , on top of natural hazards and the St. Vincent Amazon parrot 's small range , has put the species at risk for extinction .