Niue $2 Croceye Coin, Animal Skin Series, 2013, Silver, MINT, XL Relief
Crocodiles have a special eye background. When light is incident into the crocodile eye, it appears to glow. Behind the retina is a layer, which reflects light like a mirror. Since crocodiles often hunt in the evening or at night, their eyes have adapted their way of life and developed catlike, slit pupils (both with glasses and with lids). They are equipped with a great vision in dim light, but they can not perceive colors. Brightness draws the pupil a thin vertical line, while in the twilight, the pupil will be extended into a large round circle. To “cry crocodile tears” is a common expression which is used for depicting fake sadness. It has its origins in the myth according to which reptiles weep while eating humans. But, believe it or not, crocodiles really do wipe while feasting, but rather due to physiological reasons than remorse.
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