These 2 were very active, moving around the nest, when I first got there. They settled down pretty quickly, as I sat and waited for mom to show up. She approached about 20 minutes later, landed much higher on the tower, and must have told them to hide. She flew off, they tucked in, and I never saw them again before I left. Interestingly, I didn't hear any vocalizations between them. Fascinating!
Click on photos to enlarge!