They are from the category Morpho, they are found in South America and their calling card is their absolutely dazzling iridescent wings which from the right Angle has the sheen of aluminum.

它属于闪蝶科，分布在南美洲，它的名片就是那绝对耀眼闪亮并且在合适的角度看去带有铝的光泽的翅膀。

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The art of marriage is not expecting the husband to wear a halo or the wife to have the wings of an Angle, it is not looking for perfecting in each other.

婚姻的艺术并不是期望丈夫是一个如带着光环的圣人或者妻子是带有羽翼的天使，它不是寻求彼此的完美。

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Former wings to edge Angle, a black twill, rim has little dots seven;

前翅顶角至后缘，有黑色斜纹一条，外缘有小黑点七个；

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By changing the angle of its wings and its body, the moth was able to create a delicate balance between the thrust pushing it forwards, the drag - or air resistance - pushing against it, and the lift keeping it in the air.

BBC: Footage reveals how insects use their bodies to hover