Eaglecam Spot is a term used to describe a camera that is placed in an eagle's nest to observe the birds and their behavior. The term is derived from the crossword solution 'AERIE, ' which is a term for a large bird's nest, usually built high up in a tree or on a cliff. Eaglecam Spot is used to monitor the nesting habits of eagles and other large birds, providing valuable insight into their behavior.