Firyal, S; Ali, A; Awan, A.R; Tayyab, M; Imran, M; Raza, R; Ashraf, H; Wasim, M
(Lahore:Pakistan Association for the Advancement of Science, 2019-01-07)
Birds are significant component of an ecosystem and play an integral role in maintenance of an ecosystem. Many birds are of economic importance as they are source of food and their guano used as fertilizer. In Pakistan ...