Osprey Nest - ??

I believe this is the nest of the Osprey that I photographed in the three preceding posts - but I did not see them returning to it in the half hour or so I spent trying to capture them on my camera - the Sandy Cove managers had had two nesting poles built (some photographs I posted last year) to keep them from nesting on their main building chimneys, however the flight of the two osprey as they 'fished' toward Cara Cove led me to believe that this piling nest was theirs