Environment, Environmental sciences, Pollution, Ecology, Birds, Life Sciences, Biodiversity and Ecology, Urbanization, malaria, Symbiosis, Environmental Pollution - adverse effects, Parasites, Metals, Ecotoxicology, Immune system, Heavy - metabolism, PARASITOLOGY, Malaria - epidemiology, Bird Diseases - epidemiology, Toxicology, Malaria - veterinary, Sparrow...