The term carduelis spinus is identified in base64 scheme by the sequence Y2FyZHVlbGlzIHNwaW51cw==, while the MD5 signature is equal to d988f2154741af9bca8c3c5a5b443f88. The ASCII encoding of carduelis spinus in hexadecimal notation is 6361726475656c6973207370696e7573.