Nepal, Feb. 19 -- A driver by profession, Bhim Chaudhary always carries a set of binoculars and a camera. Based in Kohalpur, Banke, at the Zoological Society of London's Nepal branch, he has spent the last six years immersing himself in the wonders of the natural world.

He was born near Bardiya National Park, and as he grew older, he became interested in birds, nature and wildlife. Due to financial constraints, he couldn't pursue formal education. Instead, he began studying amphibians, birds and other creatures. When he spots them, he spends hours observing them, snaps photos and gives the visitors brief explanations about the creatures.

Chaudhary has no trouble identifying more than two hundred species of forest and aquatic birds insid...