How does the harpy eagle stack up against a bald eagle? 🪶 Bald eagles can be found near water in North America, while the harpy eagle resides the warmer tropical regions of South America. 🪶 Harpy eagles have bald eagles beat when it comes to size and weight, but bald eagles have a larger maximum wingspan of 8 feet, while a harpy eagle’s wingspan caps at around 6.5 feet. 🪶 While bald eagles make a diet of coastal and freshwater fish, harpy eagles prey on larger tree-dwelling mammals like sloth