Osprey nest

Last Saturday I posted the picture on the left (this is a cropped image) of an Osprey platform at the Wargo Nature Center, noting that it seemed like there were more twigs and branches than I had observed earlier. Today I returned and waited for about 20 minutes -- no Ospreys. Again it seemed like there were more sticks on the nest. However, when I got home and compared the above picture (taken with my Canon 20D rather than the Coolpix 995) to the one from Saturday, it appeared that the platform looks the same. Apparently there is no activity on it yet.