Steller’s sea eagle is the world heaviest eagle which weighs from 5 kg to 9.5 kg, although harpy eagle is also weighs same as steller’s sea eagle but on average weight basis steller’s sea eagle is the heaviest one. Females who weigh 6 to 9 kg are larger and heavier than males who weigh 5 to 7 kg on average and conservation status of steller’s sea eagle is vulnerable as described by IUCN.
Harpy eagle found in Mexico, Central America and South America, Royal hawk is the name for Harpy eagle in Brazil, on the other hand Steller’s sea eagle is found in Russia, Japan and Korea and mainly lives in coastal areas.
Harpy eagle mates after the age of 4 years and lays only 2 eggs from which if one egg hatches then harpy eagle ignores the second one which as a result fail to hatch. Parents protect their chicks until it fledge and chick spend his first one year with his parents on the other side steller’s sea eagle can lays 3 eggs and their eggs are slightly bigger than of harpy’s eagle, incubation period can be range from 40 to 45 days.
Everyone wants to know which one is the largest eagle in the world is, whether it is harpy or steller’s sea, so here is the answer. Harpy eagle is the largest in muscle area & also the tallest and steller’s sea eagle is the heaviest eagle in the world. Many of the experts consider that Harpy eagle is the world largest eagle and other two eagles that are close to harpy are steller’s sea eagle and Philippine eagle. To know more about their physical description and their hunting techniques let’s take a glance at the below given chart on Harpy Eagle Vs Steller’s Sea Eagle.
Harpy Eagle vs Steller’s Sea Eagle Comparison
| Harpy Eagle
| Steller’s Sea Eagle
|Average Body Length
|3 ft 2 inch
|3 ft 1 inch
|5 ft 10 inch to 7 ft 5 inch
|6 ft 5 inch to 7.8 inch
|Mexico and South America
|Russia, Korea and Japan
|Average Life Span
A Harpy eagle is an apex predator and mainly preys on monkeys and sloths, other preys are squirrel, anteaters, opossums and porcupines etc, on the other side steller’s sea eagle mainly preys on fish especially salmon and trout, in salmon their favorite salmon is pink salmon and chum salmon. According to the both eagles diet we have a conclusion that harpy is the dangerous one because they feed on hard and dangerous mammals like monkey, sloths and porcupine. Harpy eagle’s talons are also the largest one and it measures as large as grizzly bears claws.
Physical description of both harpy and steller’s sea eagle is powerful but harpy eagle physical description is slightly bit stronger than steller’s sea eagle. In head to head fight between steller’s sea and harpy eagle then there is no doubt harpy eagle will win the fight because harpy is the true natural predator and live in the more dangerous habitat than coastal steller’s sea eagle.