I love hummingbirds, too. In Tucson, the Arizona Sonora Desert Museum has a walk-in hummingbird aviary. Once, when my hair was longer, I was in the aviary watching the birds, when I heard buzzing, and several people said, ''Stand still,' so I did. Then I felt tugging on my hair. I was standing in a ray of sunlight, and one of the hummers wanted a strand of my hair for its nest!