The term uropygial gland is identified in base64 scheme by the sequence dXJvcHlnaWFsIGdsYW5k, while the MD5 signature is equal to 4e36a1757628f4d53f88dfa9374237bd. The ASCII encoding of uropygial gland in hexadecimal notation is 75726f70796769616c20676c616e64.