🦅 Bald eagle vs Harpy eagle 🦅
The bald eagle and the harpy eagle are about the same size. The harpy eagle weighs about one and a half times as much as the bald eagle.
Getting the animals ready…
| Row | 🦅 Bald eagle | 🦅 Harpy eagle |
|---|---|---|
| Size They are about the same size. | 28 in to 3.2 ft71 to 97 cm1 | 35 in to 3.3 ft89 cm to 1 m2 |
| Top speed We don't have a checked number for the harpy eagle yet. | 35 to 40 mph56 to 64 km/h3 | no checked number yet |
| Weight The harpy eagle weighs about one and a half times as much as the bald eagle. | 7 to 14 lb3.2 to 6.4 kg4 | 11 to 20 lb5 to 9 kg2 |
| Lives The harpy eagle usually lives about one and a half times as long as the bald eagle. | 20 years20 years1 | 25 to 35 years25 to 35 years2 |
| Eats The bald eagle eats fish; the harpy eagle eats meat. | mostly fish, plus ducks and dead animals | sloths and monkeys, and sometimes lizards and birds |
| Lives in They live in different kinds of places, so they would hardly ever meet. | near lakes, rivers and coasts across North America | the treetops of tropical lowland rainforest from southern Mexico to northern Argentina |
Which one? Bald eagle or harpy eagle
🏁 Who would win the race?
We don't have a checked top speed for the harpy eagle yet, so there is no race.
We only race. Real animals mostly avoid each other. A race is the only fair contest: who reaches the tree first, by top speed. Our face-off books compare real numbers, and nobody gets hurt.
10 things to know about Bald eagle vs Harpy eagle
- The bald eagle: A big eagle with a white head that catches fish from rivers.
- The harpy eagle: A huge gray rainforest eagle with a crest on its head.
- They are the same kind of animal: both are birds.
- The bald eagle and the harpy eagle are about the same size: 2 against 1.
- The harpy eagle weighs about one and a half times as much as the bald eagle. That is 4 for the bald eagle and 2 for the harpy eagle.
- The harpy eagle usually lives about one and a half times as long as the bald eagle. Usual lifespans: 1 for the bald eagle and 2 for the harpy eagle.
- The bald eagle eats mostly fish, plus ducks and dead animals. The harpy eagle eats sloths and monkeys, and sometimes lizards and birds.
- The bald eagle lives in near lakes, rivers and coasts across North America. The harpy eagle lives in the treetops of tropical lowland rainforest from southern Mexico to northern Argentina. They live in different kinds of places, so they would hardly ever meet.
- The bald eagle: doing fine (Least Concern on the IUCN Red List). 5
- The harpy eagle: needs help (Vulnerable on the IUCN Red List). 6
Wow facts
🦅 Bald eagle
- "Bald" is an old word for white-headed.
- A pair adds to the same nest year after year.
- Young bald eagles are brown and get their white head later.
🦅 Harpy eagle
- A harpy eagle lives high in the rainforest treetops.
- Its main foods are sloths and monkeys.
- It has a crest of feathers on its head.
Questions kids ask about Bald eagle and Harpy eagle
Which is bigger, bald eagle or harpy eagle?
The bald eagle and the harpy eagle are about the same size: 2 against 1.
Which is heavier, bald eagle or harpy eagle?
The harpy eagle weighs about one and a half times as much as the bald eagle. That is 4 for the bald eagle and 2 for the harpy eagle.
Which lives longer, bald eagle or harpy eagle?
The harpy eagle usually lives about one and a half times as long as the bald eagle. Usual lifespans: 1 for the bald eagle and 2 for the harpy eagle.
What do bald eagle and harpy eagle eat?
The bald eagle eats mostly fish, plus ducks and dead animals. The harpy eagle eats sloths and monkeys, and sometimes lizards and birds.
Where do bald eagle and harpy eagle live?
The bald eagle lives in near lakes, rivers and coasts across North America. The harpy eagle lives in the treetops of tropical lowland rainforest from southern Mexico to northern Argentina. They live in different kinds of places, so they would hardly ever meet.
Who would win, bald eagle or harpy eagle?
We never show fights, because a fight is not a fair way to compare animals. They live in different kinds of places, so they would hardly ever meet. What we can compare is how big, how heavy, how fast, how long they live and what they eat, as above.
📤 Share this pair
The link carries only the two animals’ names: peabody.kids/animals/compare/bald-eagle-vs-harpy-eagle
Where these numbers come from
- National Park Service (North American bald eagle), checked 30 October 2026.
- University of Michigan Museum of Zoology, Animal Diversity Web: Harpia harpyja (harpy eagle), checked 10 November 2026.
- National Park Service, Upper Delaware, checked 30 October 2026.
- National Park Service, Kenai Fjords, checked 30 October 2026.
- Wikidata, from the IUCN Red List, checked 30 October 2026.
- Wikidata, from the IUCN Red List, checked 10 November 2026.