In some individuals, their black spots may appear to be dark brown or grey instead ... appearance and location, wolf snake ...

Unlike strictly aquatic sea snakes, the black-banded sea krait is semi-terrestrial ... snakes vary in color from dark blue to bluish-gray and have wide black bands on them. The yellow markings ...

Banded Rock rattlesnake: Dark and greenish gray in color ... The coral snake is slender, with a distinctive pattern consisting of a broad black ring, a narrow yellow ring and a broad red ring.