Andaman Serpent-Eagle

The Andaman Serpent-Eagle (Spilornis elgini) is an endemic bird of prey found exclusively in the Andaman Islands of the Indian Ocean. Its taxonomy and evolutionary history are tied to its isolation in this archipelago, where it evolved as a distinct species separated from the larger mainland serpent-eagle populations. It was first described by the ornithologist Robert Christopher Tytler in 1863, named in honor of the then-Viceroy of India, Lord Elgin, reflecting the colonial-era tradition of nomenclature.

Physically, the species is defined by its adaptation to the dense forest canopy of the islands. Its broad wings and rounded tail are evolutionary traits designed for high-maneuverability flight within thick vegetation, allowing it to navigate the forest mid-story to hunt snakes and small vertebrates. While the bird is not a designed object in the human sense, its morphological characteristics are the result of long-term selective pressures in the Andaman ecosystem, resulting in a specialized predator that is highly sensitive to the preservation of its limited primary forest habitat.