House Sparrow couple feeding two babies in a nest in an old Purple Martin house grown over by tree branches on a trip north. This is not Purple Martin habitat so they are not displacing them, but like the House Wren they are tenacious defenders of their cavity nests. Introduced from Europe in the 19th century the House Sparrow is now a common bird in many urban areas. This nice clean, attractive couple display the energy and dedicated work ethic of caring for their young. If you watch closely you will see a fecal sac removed to keep the nest clean and some housekeeping done as the adult enter the nest and tidy up.
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