Free-ranging dogs occupy a wider ecological niche, from pampered pets and faithful servants to feral scavengers.The dog is man's best friend, on the other, he is the despised and degraded outcast.In recent years, popular and scientific accounts indicate a growing awareness of problems posed by large populations of uncontrolled domestic dogs both in urban and rural environments. In this study many facets of the phenomenon of the urban free-ranging dogs were examined. The focus was on one town- Katwa, West Bengal, a town that is becoming greater in size keeping pace with the increase of human. This is a study both of dog ecology and behaviour. I hope that the ecologists will find it interesting and also find new data especially on dispersal and alloparental behavior of free-ranging dogs. Moreover, the author hopes that this study will encourage the students to study the ecology and behaviour of free-ranging dogs.

The author is a teacher of Life Science. He did the Ph.D. on ecology and behaviour of urban stray dogs (Canis familiaris). Eleven articles have been published in International journals. He attended the conferences held in Japan, Ireland, USA, Spain, Australia and Bangkok. He obtained Young Scientist Award in Bangkok in 2016