House Crow is passerine bird originated in sub-continent ranging in size from large to medium small. Breeding season extended from early June to September. Mean nest density of House Crow on research was 2.4 nests/acre. They nested on 4 different tree species viz Melia azedarach, Pinus roxburgii, Platanus orientalis and Populus euphratica. Mean tree height measured 14.8m, average nest height 11.8m. Mean maximum diameter of nests measured 42.3cm, minimum nest diameter 39.0cm, Mean depth of the nests measured 19.3cm. The maximum diameter of nests cup 15.6cm, minimum diameter of nest cup 13.3cm....