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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

                                                                Image by  MrGajowy3 -Pixabay Do you know why Butterflies are beautiful? How do butterflies get their colours to become beautiful? To know about it read the following article on butterflies.  Butterflies are beautiful forms of nature with myriad striking colours and attractive varied designs. The fragile beauties hover over flowers dancing and adorning the gardens bringing in beautiful pictures in sunlight.  The winged insects are elements of biodiversity that has fascinated man over centuries. Butterflies are creatures that help in the propagation of plants and thus preserve the rich habitats of the environment. These delicate beautify presents pleasantness, charm and flights of movements.  Butterflies bring about pleasant images of nature, spring season, gardens, flowers, sunshine, warmth, and life. The winged beauties are a delight to watch and their fluttering flight is a visual treat to one’s eyes. Butterflies are beau