The term 'Little Birdie' can be represented by two crossword solutions: TIT (3 letters) and TOMTIT (6 letters). TIT is a small, mostly insectivorous bird found in Europe, Asia, and North America. It is a member of the tit family, which includes over 50 species of birds. TOMTIT is a small, active bird found in New Zealand. It is a member of the paridae family, which includes over 100 species of birds.