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Genus Spilornis
Crested Serpent Eagle - This large, dark brown eagle is stocky, with rounded wings and a short tail. Its short black and white fan-shaped crest gives it a thick-necked appearance. The bare facial skin and feet are yellow. The underside is spotted with white and yellowish-brown. When perched the wing tips do not reach until the tail tip. In soaring flight, the broad and paddle-shaped wings are held in a shallow V. The tail and underside of the flight feathers are black with broad white bars. Young birds show a lot of white on the head.
Andaman Serpent Eagle - Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical mangrove forests. It is threatened by habitat loss.
Philippine Serpent-Eagle - It is endemic to the Philippines. The species is found on most part of the major islands, except for Palawan. It inhabits primary and secondary forest. The bird is often seen soaring over clearings and river valleys. The bird feeds on amphibians, reptiles and other live prey. The Philippine serpent eagle is distinguished from other species of serpent eagle by more well-defined spots on the underpants and wings.
Mountain Serpent-Eagle - Spilornis kinabaluensis is threatened by habitat loss. However, they occur within the Kinabalu National Park and the Mulu National Park. Their high-altitude habitats are usually too remote for logging and agriculture, making some of its range secure.
Spilornis klossi - The South Nicobar Serpent-eagle is a species of bird of prey in the Accipitridae family. It is endemic to India.