Bald eagles make a sort of whiny peeping. It's a very cute sound, not at all what people expect. To quote Sibley: "Call rather weak, flat, chirping whistles, s

Bald eagles make a sort of whiny peeping. It's a very cute sound, not at all what people expect. To quote Sibley: "Call rather weak, flat, chirping whistles, stuttering, variable. Immature calls generally harsher, more shrill than adult until three to four years old."