Highland Guan vs Rusty-margined Guan

Highland Guan

Penelopina nigra

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The highland guan grows to a length of 590 to 650 millimetres (23 to 26 in). The plumage of the male is black, the upper parts glossed with green or blue, the underparts rather duller. The iris of the eye is reddish-brown and there is reddish-brown or purplish bare skin around and behind the eye. The beak, the bare skin on the throat, the large wattle, the legs and feet are reddish-orange. The female, by contrast, is black, heavily mottled and barred with reddish-brown and cinnamon, with a red beak and bare skin round the beak, and purplish bare skin round the eye.

ID text from Wikipedia, CC BY-SA 4.0

Photo: Tommy Andriollo · CC BY 4.0

Rusty-margined Guan

Penelope superciliaris

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The rusty-margined guan is 55 to 73 cm (1.8 to 2.4 ft) long. The nominate subspecies weighs 950 to 1,150 g (2.1 to 2.5 lb) and P. s. jacupemba 750 to 880 g (1.7 to 1.9 lb). The species' upperparts are dark olive to brownish with the eponymous reddish margins on the wing coverts and scapulars. The belly is also rusty. The face is pale with a supercilium whose color ranges from white to buff or ochre in the different subspecies. P. s. jacupemba paler overall than the nominate and P. s. major is darker.

ID text from Wikipedia, CC BY-SA 4.0

Photo: Alix Sanchis · CC BY 4.0

Photos and recordings are credited to their authors under the licence shown. Full profiles: Highland Guan and Rusty-margined Guan.