All but one of my Tree Swallows have fledged.  The adults are gone. Now there is a House Sparrow building a nest while the other non-fledged Tree Swallow is still in the nest!  It seems healthy, but not sure how long he can last. Is there anything I can do or just let nature run its course?  Thanks in advance. Spencer
Sent from my Verizon Wireless BlackBerry

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