Sarcogyps calvus ( Red-headed Vulture )
- The Red-headed Vulture (Sarcogyps calvus), also known as the Asian King Vulture, Indian Black Vulture or Pondicherry Vulture (though there are unrelated species in the New World who share the names King Vulture and Black Vulture.
- Its a medium-sized vulture of 76 to 86 cm (30 to 34 in) in length, weighing 3.5–6.3 kg (7.7–14 lb) and having a wingspan of about 1.99–2.6 m (6.5–8.5 ft).
- The adult has a prominent deep red to orange naked head and the juvenile being of paler red.
- It has a black body with pale grey band at the base of flight feathers. The sexes differ in colour of the iris: males have a paler, whitish iris, while in females it is dark brown