CONDITION USED , A GUIDE TO THE BIRDS OF THE DELHI AREA , USHA GANGULI, HARDCOVER , 1975

A practical and informative field guide that highlights the rich birdlife of the Delhi region, shaped by decades of ecological change and urban growth. It brings together observations accumulated by generations of birdwatchers and expands them into clear, usable descriptions that aid identification in the field. Along with noting the status, habits, and habitats of each species, it reflects the growing culture of birdwatching in the city. Prepared with deep passion and expertise, the work also stands as a tribute to a dedicated naturalist whose lifelong commitment to studying and sharing the joy of birds continues to inspire both beginners and experienced observers.