Ecology is a study of organisms at their home. Ecological study of an birds included various aspects like population, habitat selection, food and feeding, roosting and roosting behavior, breeding activities etc. out of the above in this book we discuss only two parameters i.e. population and habitat of the birds of family Ardeidae. In this book we try to cover all the aspect of population and habitat selection for various proposes. The term 'heron' represents all the birds in the family Ardeidae, including 'herons', 'egrets' (the white herons) and 'bitterns'. There are large areas of neglect...