hand-drawn of a saltwater crocodile in the style of engraving. a sketch of a wild australian animal

crocodile animal reptile water saltwater sea ocean australia asia pacific lizard sketch hand drawn drawing engraving engraved hatching realistic national park graphic wild wildlife life nature natural biological zoo zoology carnivore predator fauna danger symbol vector isolated black white vintage monochrome ink pen grunge texture design element art dangerous hand-drawn style engraving australian crocodile background