Input (grade 9): The nostrils and the mouth are at the distal end of the snout; the mouth of the Short-beaked Echidna can not open wider than 5 m/O. The body of the Short-beaked Echidna is, with the exception of the underside, face and legs, covered with cream-coloured spines.
Output (grade 6): The mouth of the Short-beaked Echidna can not open wider than 5 mm. The body of the Short-beaked Echidna is, except for the underside, face and legs, covered with cream-coloured spines.