What is North America's smallest bird?
At 3 inches long and weighing 0.1 oz, the Calliope Hummingbird Stellula calliope is North America's smallest bird. It nests in mountain areas of the northwestern United States and winters in Mexico.
What is the smallest bird in the world?
The Bee Hummingbird Mellisuga helenae lives in Cuba and Isla de la Juventud and with a length of 2 inches and a weight of 0.063 oz it is the smallest living bird in the world.