Facts About Bald Eagles. Eagle facts for kids, Birds of prey facts. Eagles are primarily solitary birds who mate for life, so it’s not often that we see a group of eagles together. However the bald eagle, our national bird, lives throughout North America, and you may see a congregation of eagles during migrations. According to the U.S. Fish and Wildlife Service (USFWS), it’s estimated that there are between 316,700 and 319,500 bald eagles in the lower 48 United States.
