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https://www.crittercontrol.com/crittercontrol/Photo_745450904.700291-scaled.jpg19202560Chimney swifts are migratory birds that spend the summer months in the eastern United States, including Philadelphia, before returning to their wintering grounds in South America. In Philadelphia, chimney swifts can often be seen flying around and roosting in the city’s many old brick chimneys, which provide them with suitable nesting and roosting sites. These […]