thebirderboy's Identifications

Cauca Guan in forest near Pereira, Risaralda, in Colombia.

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Comparison of 3 wild Guans in Colombia. All are large landfowl in the Guans, Chachalacas, and Curassows (Cracidae) family.

Cauca Guan (Penelope perspicax)
Andean Guan (Penelope montagnii) and
Sickle-winged Guan (Chamaepetes goudotii)

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Cauca Guan (Penelope perspicax) is a large, endemic, arboreal, landfowl bird in the Guans, Chachalacas, and Curassows (Cracidae) family. It is Endemic to Colombia. It has a large red dewlap and is 74cm (29 inches) long. It is found in humid, montane forest borders, older second growth, at 1200 to 2200m. It is found at lower elevations and the red dewlap is larger than those of the Andean Guan, which is found at higher elevations.
Conservation Status: Vulnerable (VU) (IUCN Red List).

Link to 2 confirmed observations (by Irene) of Cauca Guan in forest near Pereira, Risaralda, in Colombia: https://www.inaturalist.org/observations/233386316 and
https://www.inaturalist.org/observations/237997597

Ebird Checklist with more photos of Cauca Guan: https://ebird.org/checklist/S191402455

Birds of Colombia, by Steven L. Hilty, March, 2021 (excellent color illustrations, species distribution maps, QR codes,) p. 30.

Found Feathers (Worldwide): https://www.fws.gov/lab/featheratlas/idtool.php

Irene's Ebird Profile: https://ebird.org/profile/MTIwNjIzMg and my worldwide checklists: https://ebird.org/mychecklists

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COMPARED TO

Andean Guan (Penelope montagnii) is an arboreal landfowl in the Guans, Chachalacas, and Curassows (Cracidae) family and is 58cm (24 inches) long. The red dewlap is inconspicous (compared to prominent red dewlap of Cauca Guan). It is found in humid and wet montane forest, second growth, patches of woodland to treeline at 2200-3700m (higher elevations of the Andeas than Cuaca Guan).

Link to Andean Guan observation at Hacienda El Bosque feeder in Colombia at elevation 3,900 ft: https://www.inaturalist.org/observations/238019915

Ebird checklist with more Andean Guan photos at Hacienda El Bosque: https://ebird.org/checklist/S191402450

Birds of Colombia, by Steven L. Hilty, March, 2021 (excellent color illustrations, species distribution maps, QR codes,) p. 29.

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COMPARED TO

Sickle-winged Guan (Chamaepetes goudotii) is a large, endemic, arboreal, landfowl bird in the Guans, Chachalacas, and Curassows (Cracidae) family and is 51-64 cm (20-25 inches) long. It is found in humid and wet montane forest and older second growth at 800-3000m. It is rufous below and has NO dewlap. Male has bare, bright blue facial skin, less blue in females.

Link to observation of FEMALE Sickle-winged Guan: https://www.inaturalist.org/observations/238016565

Ebird Checklist at Hacienda El Bosque with more photos of both female and male: https://ebird.org/checklist/S191402450

Birds of Colombia, by Steven L. Hilty, March, 2021 (excellent color illustrations, species distribution maps, QR codes,) p. 28.

Irene's Ebird Profile: https://ebird.org/profile/MTIwNjIzMg and my worldwide checklists: https://ebird.org/mychecklists