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It's likely that the goat suffers from a congenital defect known as "cyclopia."

The dusky shark fetus's single eye is the hallmark of a congenital condition called cyclopia, which occurs in several animal species, including people.

While rare, "cyclopia" is a real developmental anomaly in which only one eye develops.

The feature of interest in the house was a big velvety cyclopia moth, clinging sleepily to the curtain—one of the rarest of Nature’s beautiful creations.

Cases of living cyclopia, or individuals with one eye in the center of the forehead after the manner of the mythical Cyclops, are quite rare.