S Siva kumar

Bird migration is a regular movement between their breeding range, located in the northern hemisphere, and wintering grounds in the southern hemisphere to overcome extreme weather conditions. Apart from such a long-distance migration, some move for shorter distances like the Himalayas to central plains and southern peninsular or may move from higher altitudes to lower hill ranges or plains (Altitudinal migration).

Migration is an amazing natural phenomenon. Though there are a lot of studies on bird migration, many questions about migration are yet to be resolved. It is proven that migratory birds use the Earth’s magnetic field, celestial bodies such as stars and the moon, and landmarks such as mountain ranges, coasts, etc. for navigation. Some birds cross the entire distance non-stop, and most of the…read more on NOPR