Facts about Harpy Eagle
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Nesting platforms built by harpy eagle pairs can measure up to 5 feet in diameter and weigh as much as a ton, ranking among the largest stick nests constructed by any bird species.
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Harpy eagle eyesight is estimated to be 8 times stronger than human vision, allowing them to detect sloths and monkeys from over 150 meters away through dense forest canopy.
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Harpy eagle pairs remain bonded for life, with both parents investing years in raising a single eaglet from egg to fledgling independence.
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Territorial harpy eagle pairs maintain home ranges spanning up to 5,000 square kilometers in the Amazon, among the largest of any tropical raptor species.
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A harpy eagle's massive talons exert crushing force exceeding 500 pounds per square inch, allowing it to snap the spines of large prey with a single grip.
- 06
Prey surveys of harpy eagle nests reveal that sloths and tree-dwelling mammals comprise up to 90 percent of their diet in the Amazon basin.
- 05
In the rainforests of Central and South America, harpy eagles can live 40 to 50 years in the wild, among the longest lifespans of any bird of prey.
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Females of this species can weigh up to 20 pounds while males average just 11 pounds, making the harpy eagle one of the most sexually dimorphic raptors on Earth.
- 03
Harpy eagles in Central and South America typically raise only one chick every two years, making them among the slowest-reproducing raptors in the world.
- 02
Spanning up to 7 feet across, the harpy eagle's wingspan makes it one of the shortest-winged eagles relative to its body mass, an adaptation for navigating dense rainforest canopies.
- 01
With talons measuring up to 5 inches long, the harpy eagle possesses larger claws than a grizzly bear's and can lift prey weighing up to 20 pounds.