2026. Comparative Study on the Diet Composition of Selected Birds in Okara and Bahawalnagar Districts, Pakistan: Dietary Composition of Water and Terrestrial Birds in Pakistan. Biological Sciences - PJSIR. 69, 2 (Jul. 2026), 51–57. DOI:https://doi.org/10.52763/PJSIR.BIOL.SCI.69.2.2026.51.57.