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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

Yellowstone National Park was established in 1872 and is located in the Western United States,  State of Wyoming. It is considered one of the most scenic wonders and the World's first National Park. The park accounts for its splendid water pools, boiling pools, geysers, volcanoes, hot springs, mountain lakes, beautiful twisting red and yellow canyon, a wealth of wildlife and spectacular waterfalls.    Native Americans lived in the Yellowstone region and were visited by mountain men during the 19th century. Exploration of the Yellowstone region began only in the late 1860s. The area is protected by hundreds of structures that are built to preserve the architectural and historical significance of the park. The Caldera is considered a dormant volcano and most of the Yellowstone land area is covered by volcanic eruptions.  Yellowstone region is a fabled and wilderness fantasy of nature. There are remote lakes, forests, meadows and forests that habitats wildlife. These places are perfec

Bird species around the world are threatened due to grave changes in the environment. The factors that are posing dangers include climatic change, loss of habitats due to deforestation, hunting and the signal mobile towers. Hundreds of bird species are migratory, they travel very long distances for breeding and raising their chicks. Migratory birds find their way by using the location of the sun and the stars.                                                                     Migratory Bird Some of the migratory birds Siberian Cranes- These cranes are known to travel for about 200 miles in a day. Arctic Tern- It is known to fly about 49,700 miles in a year,  the longest journey it undertakes to fly from the Arctic to the Antarctic.  Humming Bird- The smallest bird travels at a speed of about 48km/hour. Bar Headed Goose- It can fly about 2,5000 feet from the earth to cross over the great Himalayan mountains.    Reasons for Migratory Bird Journeys To find the habitats for breeding place