URL：https://d2uqfpnktc64mn.cloudfront.net/uploads/post/image/000/000/923/default_Photo-Courtesy-of-Pennsylvania-Game-Commission.-Bald-Eagle-Nest-via-Cordorus-State-Park-Nest-Cam.jpg
掲載元：https://beautifulnow.is/discover/nature-science/watch-eggs-hatching-new-beautiful-birds-now
