The Philippine eagle is a big bird. 

The Philippine eagle is a very large bird. 


The Philippine eagle is a very large bird. 


Long ago, people called it the monkey-eating eagle. They thought it only ate monkeys. We now know it eats many things. It eats snakes, lizards, and large birds. In some places, it eats flying lemurs. These are small animals that glide through the air.
These eagles live in the forests of the Philippines. They like steep areas and tall trees. 
The Philippine eagle is a truly amazing bird. 


This eagle is a very skilled hunter. It is an apex predator, which means it is at the top of its food chain. For a long time, people called it the monkey-eating eagle. They thought it only ate monkeys because of early reports. We now know it eats many different things. It eats large snakes, monitor lizards, and even large birds like hornbills. In some areas, flying lemurs make up 90% of its diet. 
Scientists first studied this bird in 1896. An English naturalist named John Whitehead observed it. His servant, Juan, collected the very first specimen. The bird was sent to London to be described. Because of the early reports about monkeys, it was given a scientific name that means "monkey-eater." However, the name was changed in 1978. President Ferdinand Marcos officially called it the Philippine eagle. In 1995, President Fidel V. Ramos named it a national emblem.
These eagles live in specific parts of the Philippines. They can be found on the islands of Luzon, Samar, Leyte, and Mindanao. 
Learning about the eagle helps us understand how nature works. Each breeding pair needs a huge amount of space to live and raise chicks. If the forest is cut down, the eagles have nowhere to go. We can see their importance in daily life too. The eagle is even pictured on the Philippine one thousand-peso note. Protecting the forests helps keep these magnificent birds in the sky. 
The Philippine eagle (Pithecophaga jefferyi) is a critically endangered bird of prey. It belongs to the family Accipitridae. This species is endemic to the Philippines, meaning it is found nowhere else on Earth. 
Physically, the Philippine eagle is a massive and striking bird. It possesses a shaggy, mane-like crest of long brown feathers on its nape. Its plumage consists of brown and white colors. The eagle has a dark face and a creamy-brown crown. Its eyes are a distinct blue-gray. The beak is large, high-arched, and bluish-gray. 

Size differences between males and females are a known trait in many birds. In the Philippine eagle, the male is believed to be about 10% smaller than the female. This is a smaller difference than in other large eagle species, where the gap can exceed 20%. The weight of an adult can range from 3.5 to 8 kilograms. 
History shows how our understanding of this bird has changed over time. The English explorer John Whitehead first studied the species in 1896. His servant, Juan, collected the first specimen. This specimen was sent to William Robert Ogilvie-Grant in London. 
Evolutionary studies have also shifted our view of the eagle's family tree. A 1919 study suggested it was closely related to the Harpy eagle. For a long time, it was placed in the subfamily Harpiinae. However, a 2005 DNA study changed this classification. The study found that its nearest relatives are actually snake eagles, such as the bateleur. Because of this, the species is now placed in the subfamily Circaetinae. This shows how modern technology like DNA sequencing helps scientists understand the history of life.
The eagle is an apex predator, meaning it sits at the top of its food chain. It is an opportunistic hunter that eats what is available. While it does eat monkeys, it often prefers flying lemurs. In Mindanao, flying lemurs can make up 90% of its diet. 
Survival for the Philippine eagle is difficult due to its specific habitat needs. They live in dipterocarp and mid-montane forests. These forests are often located in steep areas. They can live in lowlands or in mountains over 1,000 meters high. 
🖼️ Images & Media (7)
More to explore
✨ What else?
Related topics you might enjoy
🔬 Go deeper
More advanced topics to explore
🪜 Step back
Simpler topics to build understanding
What is Nepedia?
A free, ad-free encyclopedia for children. Every article is written at five reading levels, so the same page works for a five-year-old and a fifteen-year-old — use the level switcher above to see this one change. No account needed to read.