Ornithology is the branch of zoology dealing with the scientific study of birds.  There are above 900 species of birds in the world living in different habitats.  Environmental pollution is one main reason for the vanishing of many species.  Destruction of habitats and hunting are other reasons for their extinction.  In the midst of environmental disasters and consequent ecological problems, conservation has attained an important place in the agenda of the humanity.  The aim of conservation is to ensure the ...