Black Vulture
Coragyps atratus
The black vulture is a fairly large scavenger, measuring 56–74 cm (22–29 in) in length, with a 1.33–1.67 m (52–66 in) wingspan. Weight for black vultures from North America and the Andes ranges from 1.6 to 3 kg (3.5 to 6.6 lb) but in the smaller vultures of the tropical lowlands it is 1.18–1.94 kg (2.6–4.3 lb). Fifty vultures in Texas were found to average 2.15 kg (4.7 lb) while 119 birds in Venezuela were found to average 1.64 kg (3.6 lb). The extended wing bone measures 38.6–45 cm (15.2–17.7 in), the shortish tail measures 16–21 cm (6.3–8.3 in) and the relatively long tarsus measures 7–8.
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: Black Vulture and King Vulture.