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The article presents a study on the influence of the Buggy Creek virus on Swallow Bug (Oeciacus vicarious), Cliff Swallows (Petrochelidon pyrrhonota), and House Sparrows (Passer domesticus). The researchers conclude most nestlings affected by the virus die at 4-6 days of age, and manifested less than 40% in fledging success. An overview of the methodology is also discussed.

The article discusses a study completed in 2010 regarding how House Sparrows, Passer domesticus in Latin, deal with parasitic infection. It states that while literature exists on the effects of infection in Domestic Chickens, Gallus gallus domesticus in Latin, little is known about how they affect the passerine species. It reports that researchers compared the humoral immune responses of both captive House Sparrows with those in the wild, also looking into their egg yolks, and found that both had mite-specific antibodies to deal with infection.

The article discusses a study examining the predatory role of the Eurasian Sparrowhawk in the declining population of House Sparrow in Great Britain. Evidence of decline among prey species of sparrows has been reported in the data published by the Garden Bird Feeding Survey (GBFS) of the British Trust for Ornithology. Statistical information illustrating the differences in temporal trends in Eurasian Sparrowhawk incidence and House Sparrow population data between rural and urban sites studied are noted.