Sunmoon. Mehndi. The sunmoon, which is a design that blends together sun and moon into a single shape, represents both the union of opposites completing each other (similar to the yin yang symbol), and impossible that becomes possible, being thus a positive symbol of life and overcoming adversities.[...] http://www.tattootribes.com/index.php?newlang=English&idinfo=7120
Hummingbird tattoos mostly represent overcoming a difficulty situation. Further, it has other meanings which include joy, love, hope, charm, life and other different cultures and people. Hummingbird is a peace symbol.