The term hirundo nigricans is identified in base64 scheme by the sequence aGlydW5kbyBuaWdyaWNhbnM=, while the MD5 signature is equal to 3767554dd4907a1e3dcf9a0252f70c56. The ASCII encoding of hirundo nigricans in hexadecimal notation is 686972756e646f206e6967726963616e73.