Cryptoquip Answer for 02/22/2018

NFBEU CPI PHTJ NJJO ZBHFOJE ZI EJXFTJB FOZJBISSFYJ GFUUFTJU ZI HXX ZPJ YI-CIBLJBU: GJGI-XHBLU.

TODAY’S CLUE: Z = T

ANSWER: BIRDS WHO HAVE BEEN TRAINED TO DELIVER INTEROFFICE MISSIVES TO ALL THE CO-WORKERS: MEMO-LARKS.