International), B. L. I. (B. L. (2016, October 1). The IUCN Red List of Threatened Species. IUCN Red List of Threatened Species. Retrieved April 3, 2023, from https://www.iucnredlist.org/species/22696012/129595746 Wikimedia Foundation. (2023, March 29). Philippine eagle. Wikipedia. Retrieved April 3, 2023, from https://en.wikipedia.org/wiki/Philippine_eagle Integrated Taxonomic Information System - Report. ITIS. (n.d.). Retrieved April 3, 2023, from https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=175559#null Beautyofbirds.com's team of experts includes veterinarians. (2022, November 27). Philippine Eagles. Beauty of Birds. Retrieved April 4, 2023, from https://beautyofbirds.com/philippine-eagles/ Gaeng, J. (2022, May 29). Harpy Eagle vs. Philippine eagle: What are 7 key differences? AZ Animals. Retrieved April 4, 2023, from https://a-z-animals.com/blog/harpy-eagle-vs-philippine-eagle-what-are-7-key-differences/ Philippine eagle. Philippine Eagle - Facts, Diet, Habitat & Pictures on Animalia.bio. (n.d.). Retrieved April 4, 2023, from https://animalia.bio/philippine-eagle Philippine eagle. Philippine Eagle | The Peregrine Fund. (n.d.). Retrieved April 4, 2023, from https://www.peregrinefund.org/explore-raptors-species/eagles/philippine-eagle Philippine eagle. EDGE of Existence. (2019, October 25). Retrieved April 5, 2023, from http://www.edgeofexistence.org/species/philippine-eagle/ How big are philippine eagles? (wingspan + size). Birdfact. (n.d.). Retrieved April 6, 2023, from https://birdfact.com/articles/philippine-eagle-size Sison, F. (n.d.). Pithecophaga Jefferyi (Great Philippine eagle). Animal Diversity Web. Retrieved April 7, 2023, from https://animaldiversity.org/accounts/Pithecophaga_jefferyi/