Black Guan vs Sickle-winged Guan: How to Tell Them Apart

Black Guan

Chamaepetes unicolor

Large1.1 kgForest

The black guan is 62 to 69 cm (2.03 to 2.26 ft) long and weighs about 1,135 g (2.502 lb). Adults have all black plumage with contrasting bright blue facial skin around a red eye. Their legs and feet are pinkish-red. Juveniles are similar but less glossy and their underparts browner and their facial skin is blackish or dark brown.

ID text from Wikipedia, CC BY-SA 4.0

Photo: Daniel S. Katz · CC BY 4.0

Sickle-winged Guan

Chamaepetes goudotii

Large728 gForest

The sickle-winged guan is 50 to 65 cm (1.64 to 2.13 ft) long and weighs 550 to 800 g (1.21 to 1.76 lb). The subspecies differ in size; C. g. tschudii and C. g. rufiventris are the largest. Adults of the nominate subspecies have a brown head and neck, dark upperparts, bright chestnut belly, pale blue facial skin, and red eyes. Juveniles are similar but duller. C. g. sanctaemarthae's upper breast, throat, and cheeks are redder than the nominate's and its vent area a darker red. C. g.

ID text from Wikipedia, CC BY-SA 4.0

Recorded by Niels Krabbe · Wing rattle · Pichincha: Tandayapa ridge 3 km SSW Tandayapa, Ecuador · CC BY-SA 4.0

Photo: (c) desertnaturalist, some rights reserved (CC BY) · CC BY 4.0

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Photos and recordings are credited to their authors under the licence shown. Full profiles: Black Guan and Sickle-winged Guan.