How Humming Bird got its Name
Hummingbirds are brightly coloured small birds, native to America. They are cute and fascinating birds. They belong to the family Trochilidae and there are about 360 species of Hummingbirds. These birds are found. a majority in the tropics. Hummingbirds have spectacular moves of flights. They can fly in all directions, fly forward, backward and also upside down. The birds can hover for a long period of time during their flight. Humming Bird Hummingbirds produce pleasant humming sounds when it hovers over the flowers for feeding. The humming sound is generated when the bird's wings beat. That's how it got its name 'Hummingbird' and scientists have discovered that the hummingbird's hum originated due to the pressure difference between the top and undersides of the wings. It's found that the primary source of the hum is the upward-lifting pressure difference. Hummingbirds are migratory birds and the