The Dolly Birds

I don't know who or what "dolly birds" officially are. But here are some photos I scanned from a book about when the Beatles toured Australia in 1964. The text says that the "dolly birds" came up to the Beatles hotel room and danced with them. At first I thought that they were just random girls. (dolls and bird both being slang for girl), but the way they worded it made them sound like an organized group or something. Regardless....these girls came up to the Beatles hotel room and.....danced! Huh??? I guess the the book didn't want to go into the other events that happened in the hotel room. John saved that information for his "Lennon Remembers" interview in the early 1970's.