How far can eagles spot their prey?

Well, in 2007 the bald eagles were removed from the endangered species list, the lower point of bald eagles was 417 breeding pairs, it is now estimated that there are over 10,000 breeding pairs with at least 1 mating pair in each state. In some other answers it says there are 47,000 bald eagles left. Now the bald eagles are listed with a status of "threatened".