India, March 23 -- In nature, mass migration is a powerful phenomenon. Whether it is the Great Migration of over a million wildebeest in the Serengeti, their thundering hooves cutting through grasslands and rivers, or the journey of the Monarch butterfly across North America, taking to the skies, flying over hundreds of miles, nature is filled with such wonderful migration sites, where animals, by some instinct, move in large numbers. Often, these migrations make it to travel bucket lists, with witnessing mass animal migration a top event on the itinerary.ALSO READ: Planning a last-minute trip? Here are 3 tips to find the best deals without stressWhat makes these even more fascinating and surreal is that this instinct to move begins right...