Oregon State University. Extension Service; Jones, J. M. (Jenelle M.); Sells, S. (Sarah) ([Corvallis, Or.] : Oregon State University, Extension Service, 2004-11)
Hummingbirds are among the smallest birds in the world, only 3 to
4 inches long and about 1⁄10 ounce. They may be small, but these beautiful birds are easy to see and fun to watch.
Hummingbirds feed on nectar and small ...