European hawkmoth with markings on the back resembling a human skull

European hawkmoth with markings on the back resembling a human skull

European hawkmoth with markings on the back resembling a human skull

European hawkmoth with markings on the back resembling a human skull

European hawkmoth with markings on the back resembling a human skull

European hawkmoth with markings on the back resembling a human skull

European hawkmoth with markings on the back resembling a human skull

a congenital abnormality of the skull; the top of the skull assumes a cone shape

the spiracle of a cetacean located far back on the skull

the spiracle of a cetacean located far back on the skull