Learn How to Pronounce Pithecophaga jefferyi
(Listen to the audio above for the stress and intonation)
The Expert's Take

Meaning and Context
Pithecophaga jefferyi, known universally as the Philippine Eagle or the Great Philippine Eagle, is a critically endangered raptor endemic to the lush primary and secondary forests of the Philippine islands of Luzon, Samar, Leyte, and Mindanao. Renowned as one of the world's largest and most powerful eagles, it is distinguished by its striking shaggy, brown-and-white crest, piercing blue-gray eyes, and an immense wingspan that can exceed two meters. Formally declared the national bird of the Philippines in 1995 under Proclamation No. 615, this apex predator plays a crucial ecological role in its habitat, primarily preying on flying lemurs, palm civets, and monkeys, which inspired its genus name meaning "monkey-eater." The species faces severe threats from Philippine Eagle conservation efforts combating deforestation and habitat loss, with current population estimates suggesting fewer than 400 mature individuals remain in the wild, making it a flagship species for biodiversity and wildlife protection in the archipelago.
Common Mistakes and Alternative Spellings
The primary scientific name, Pithecophaga jefferyi, is consistently used in academic and conservation literature, but several common misspellings and variations occur. The genus name is frequently misspelled as "Pithecophaga" (adding an 'o') or "Pithecophaga" (misplacing the 'o'). The species epithet, honoring British explorer John Whitehead's father Jeffery, is often incorrectly written as "jeffreyi" (dropping an 'e') or "jefferyi" (adding an extra 'e'). In common parlance, the bird is correctly referred to as the "Philippine Eagle," but it is sometimes erroneously called the "Philippines Eagle" (pluralizing the country's name incorrectly as an adjective) or the "Monkey-eating Eagle," a direct but less formal translation of its scientific name. Confusion also arises with its alternative title, the "Great Philippine Eagle," where "Great" is sometimes mistakenly capitalized as part of a proper compound name when it is typically used as a descriptive adjective.
Example Sentences
The discovery of a nesting pair of Pithecophaga jefferyi in the Sierra Madre mountains provided a significant boost to ongoing conservation programs.
Birdwatchers from around the globe travel to the Philippines with the slim hope of glimpsing the majestic Philippine Eagle in its natural canopy habitat.
Researchers meticulously track the diet of Pithecophaga jefferyi to better understand its role as an apex predator in the ecosystem.
The distinctive shaggy crest of the Great Philippine Eagle is often the first feature visible as it soars above the rainforest.
Successful captive breeding of Pithecophaga jefferyi at the Philippine Eagle Foundation's center is a complex but vital endeavor for the species' survival.
Poaching and habitat fragmentation continue to be the most dire threats facing the remaining population of this critically endangered raptor.
Sources and References
I used Wiktionary and Wikipedia for the scientific classification. For pronunciation, I listened to experts, such as zoologists and wildlife documentary narrators, on YouGlish and specialized biology education platforms to hear the Latin-based scientific name spoken correctly.
- https://en.wiktionary.org/wiki/Pithecophaga_jefferyi
- https://en.wikipedia.org/wiki/Pithecophaga_jefferyi
- https://youglish.com/pronounce/pithecophaga_jefferyi/english
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