Greater Yellow-headed Vulture
Cathartes melambrotus
The greater yellow-headed vulture is 64–75 centimetres (25–30 in) in length, with a wingspan of 166–178 centimetres (65–70 in), a tail length of 25–29 centimetres (9.8–11.4 in) and a weight averaging 1.65 kilograms (3.6 lb). Its plumage is black with a green or purple sheen. The throat and the sides of the head are featherless. The skin on the head ranges in color from deep yellow to pale orange with a blue crown. The nape and the area near the nostrils are pale pinkish. The undersides of the wings are black, while the flight feathers are a lighter shade.
ID text from Wikipedia, CC BY-SA 4.0
King Vulture
Sarcoramphus papa
Excluding the two species of condors, the king vulture is the largest of the New World vultures. Its overall length ranges from 67 to 81 cm (26–32 in) and its wingspan is 1.2 to 2 m (4–7 ft). Its weight ranges from 2.7 to 4.5 kg (6–10 lb). An imposing bird, the adult king vulture has predominantly white plumage, which has a slight rose-yellow tinge to it. In stark contrast, the wing coverts, flight feathers, and tail are dark grey to black, as is the prominent thick neck ruff.
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Greater Yellow-headed Vulture and King Vulture.