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18 Interesting Facts About Eagles

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The eagle is an iconic bird of prey that has long captured the human imagination. Known for their large size, keen eyesight, powerful talons, and ability to soar to great heights, eagles inspire awe and reverence across cultures.

From the bald eagle of North America to the harpy eagle of South America, eagles play important roles as apex predators in ecosystems around the world. Their place in mythology and national symbolism reflects their regal bearing and dominance of the skies.

Here are 18 fascinating eagle facts worth learning about these majestic raptors:


Eagles belong to the broader group of birds of prey, or raptors, which hunt and feed on small animals. They can be found across most of the world, except on Antarctica.

There are over 60 recognized eagle species, differentiated by habitat, physical traits, and characteristics. Eagles vary dramatically in size and appearance, with wingspans ranging from 5.9 feet to over 7 feet across some of the largest species.

While intricate differences distinguish each species, eagles also share common traits that make them exceptional hunters and fliers. Their capabilities inspire both scientific curiosity and symbolic value across human cultures.

Schriever photographer snares elusive bald eagle photos
Schriever photographer snares elusive bald eagle photos by DVIDSHUB is licensed under CC BY 2.0 .

Facts and Details

Size and Wingspan

  1. The largest species is the Steller’s sea eagle, native to coastal Russia and Asia, which can have an 8-foot wingspan and weigh 20 pounds.
  2. The smallest is the South Nicobar serpent eagle, a tropical species reaching just 1 foot, 7 inches long and a 5.9-foot wingspan.


  1. Eagles have 3-4 times sharper vision than humans, allowing them to spot prey over a mile away.
  2. Their eyes are specially adapted to detect slight movements on the landscape below as they fly at high altitudes.


  1. Eagle talons can apply 500-700 pounds per square inch (psi) of pressure, compared to 750 psi for a large lion.
  2. Talons are used for hunting prey and defending nests from intruders. The back talon is especially elongated and strong to inflict lethal wounds.

Flight and Speed

  1. Eagles are capable of horizontal gliding for hours with hardly a flap of their wings due to efficient respiratory systems and lightweight, broad wings.
  2. When diving for prey, eagles can reach speeds over 150 miles per hour.


  1. Most eagles are opportunistic predators that eat varied diets, including fish, rabbits, reptiles and amphibians.
  2. The harpy eagle specializes in a diet of tree-dwelling mammals like sloths and monkeys.


  1. In captivity, eagles can live upwards of 50 years.
  2. In the wild, they typically live 10-25 years. The oldest known wild bald eagle was at least 38 years old.


  1. Eagles typically reach sexual maturity by age 4-5 and mate for life.
  2. They build large nests high in trees or on cliffs that can be over 10 feet deep and used for over 35 years.

Conservation Status

  1. The Philippine eagle is critically endangered, with less than 800 individuals remaining today. Habitat loss threatens the species.
  2. Bald eagle populations have rebounded since the banning of DDT, shifting them from endangered to least concern.


  1. Eagles are prominent national symbols of countries like the U.S., Mexico, Albania, Germany, and Kazakhstan.
  2. Ancient cultures like the Romans and Native Americans also used the eagle extensively in mythology and spiritual stories.


Eagles command attention through their massive builds, regal appearance, and mastery of flight. As predators that sit atop food chains, they help balance complex ecosystems. Their remarkable capabilities, like acute vision and powerful talons, make them exemplary hunters.

While eagles face growing threats from habitat destruction, their significance endures. As national symbols, spiritual messengers, and conservation success stories, these raptors retain a special place in human culture and biodiversity. Their survival represents the health and richness of the natural world.

In sharing facts about these birds, we hope to inspire greater awe, understanding, and motivation to protect eagles across the many landscapes they call home. Their prosperity and our wonder at these winged hunters go hand-in-hand.

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