The Slender-billed Vulture is a large scavenging vulture. A 2023–2025 survey recorded 20 nests at 12 sites in Upper Assam, India.
Its head and neck have dark bare skin; the layered wings are brown, with a pale patch near the upper body.
It feeds on carrion and nests in trees. All nests recorded in India during 2023–2025 were at 12 sites in Upper Assam.
An extinction-risk assessment has not been added yet.