A little bird on my index finger?

OK Here the dream ;; I was in a room and all of a sudden a really small bird perch himself on my index finger . I said to my mother ; he is a angel . The bird stayed there for a few minutes and disappear [ I never felt any weight on my finger and about the color ; well I am not to sure but I remember it was pastel ] Background info ;; My mother died 36 yrs ago What does mean Thanks