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Baudo Guan Penelope ortoni Scientific name definitions

Josep del Hoyo and Guy M. Kirwan
Version: 1.0 — Published March 4, 2020
Text last updated July 5, 2016

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Introduction

The Baudo Guan is the only cracid restricted to the Choco biogeographic region of western Colombia and northwestern Ecuador. It mainly occurs in humid forest in the upper tropical zone up to 1500 m, but is also known from the lowlands in western Colombia. Little is known of its habits, movements or breeding but the Baudo Guan presumably is similar to most other Penelope guans, being basically sendentary and foraging for fruits in the upper strata of humid forest in small groups. It has occasionally been considered a subspecies of Andean Guan, but the two species appear to overlap in western Colombia and southwest Ecuador with no apparent integradation. The Baudo Guan is the only Penelope guan with no pale markings on the head.

Field Identification

58–63 cm. Shy, long-tailed cracid. The only small Penelope without pale markings on head and wings . Rich brown with greyish-brown tinge to neck and head, bare blue ocular area, prominent red dewlap , and dull red legs . Smaller and duller than sympatric Penelope and similar-sized Chamaepetes goudotii lacks red dewlap. Juvenile presumably much like adult.

Systematics History

Has been considered a race of P. montagnii, but ranges contiguous, with overlap in W Ecuador and possibly also in SW Colombia, but without any trace of intergradation; possibly closest to P. marail. Monotypic.

Subspecies

Monotypic.

Distribution

W Colombia (from N Chocó S to Nariño) and W Ecuador (S to Pichincha, formerly to Guayas).

Habitat

Humid forests , mainly in upper tropical zone, usually up to 1500 m, W of Andes; thought to prefer broken country and foothills, but also occurs in lowland forests and recent research suggests it is heavily dependent on maintenance of tall primary forest (1), usually on steep slopes (presumably as a result of hunting pressure); in Colombia recorded between 100 m and 1500 m, although wandering birds reported as high as 3100 m; in one area strongly associated with the hardwood tree, Humiriastrum procerum (Humiriaceae) (1). Absent from dry coastal area of SW Ecuador.

Movement

No information available, but presumably sedentary, although in Colombia what have been assumed to be wandering individuals have been recorded well above the species' usual elevational range.

Diet and Foraging

Very few data available, but now known to feed on relatively small-sized fruits like others of genus, probably taken largely in canopy and subcanopy trees (2). Only specific fruit mentioned is that of Humiriastrum procerum (Humiriaceae) (1). No indications that this species descends to ground to feed, unlike most congenerics (1). Usually seen in pairs or small family groups of up to four individuals.

Sounds and Vocal Behavior

Dawn call a far-carrying guttural, repeated bawling “waou”  , while pairs warn each other of approaching humans using low, soft and prolonged rising whistles of c. 3 seconds duration (1); rarely heard alarm call is a repeated, agitated “konh-konh-konh-konh”#R  sometimes given for prolonged periods (resembling other Penelope species)#R.

Breeding

Virtually nothing known, although a female about lay was collected in SW Colombia in mid Aug (1) and it has been suggested that the breeding season is Jul–Sept; clutch two eggs#R. No other information available.

ENDANGERED. Previously considered Near Threatened. Total population now estimated at 7000–21,000 individuals. Local but widespread in W Colombia, where known only from a small number of localities, the only recent sightings being from Chocó, Valle del Cauca and Nariño (where known from the important but relatively small El Pangán Nature Reserve) (2, 3); status in this country considered Vulnerable in 1990. Additional protected areas known to harbour species include Los Cedros Reserve (Imbabura), Cotacachi-Cayapas Ecological Reserve, Awacachi Corridor and Canandé Reserve (all Esmeraldas), Mindo-Nambillo Protection Forest (Pichincha), Farallones de Cali (Valle de Cauca) and Ensenada de Utría (Chocó) National Parks. In Ecuador range subject to startling contraction; formerly recorded S to NE Guayas and W Chimborazo (1), but now virtually entirely confined to extreme NW in Esmeraldas, with only other modern records from Pichincha (e.g. Mangaloma Reserve) (4), especially the Mindo-Nambilla area (1), and Imbabura. Species extremely sensitive to habitat modification and hunting, it being easily shot as it does not flee from human approach; much of range already deforested and plans to colonize and develop more remote regions facilitated by rapidly expanding road network; this in turn brings more small-scale agriculture, illegal coca plantations, selective logging, hunting for food and gold mining, while industrial-scale logging and intensive agriculture, especially oil palm and banana plantations and cattle-farming have transformed over 90% of the Ecuadorian landscape below 900 m. Very rare in captivity; has been kept in one collection in Mexico.

Distribution of the Baudo Guan - Range Map
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  • Year-round
  • Migration
  • Breeding
  • Non-Breeding
Distribution of the Baudo Guan

Recommended Citation

del Hoyo, J. and G. M. Kirwan (2020). Baudo Guan (Penelope ortoni), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.baugua1.01
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