Rajesh Chaudhary A passionate nature lover and keen observer with a PhD in Biological Science. He is presently working as Associate Professor, teaching Biomedical Science at Acharya Narendra Dev College, University of Delhi. He has been observing, photographing and documenting nature as a hobby, for more than 20 years. He has published several articles, chapters, notes, etc. He believes that curiosity, passion, awareness and interest in the natural world can transform one into a guardian of nature.