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Similar species Cotingidae
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Guianan Cock-of-the-rock (Rupicola rupicola)
[order] Passeriformes | [family] Cotingidae | [latin] Rupicola rupicola | [UK] Guianan Cock-of-the-rock | [FR] Coq-de-roche orange | [DE] Tiefland-Felsenhahn | [ES] Gallito de las Rocas Guayanés | [IT] Galletto di roccia della Guiana | [NL] Oranje Rotshaan | [SU] Rotshaan
Characteristics
The orange-plumaged Guianan Cock-of-the-rock, Rupicola rupicola is a stout-bodied passerine with an extraordinary half-moon crest, an orange-tipped black tail, black, orange and white wings and silky-orange filaments of the inner remiges. As though not enough orange for one bird, this species also has orange bill, legs and skin. The less conspicious female is dark brownish-grey overall, has a yellow-tipped black bill and a smaller crest.
| wingspan min.: | 0 | cm | wingspan max.: | 0 | cm |
| size min.: | 21 | cm | size max.: | 22 | cm |
| incubation min.: | 28 | days | incubation max.: | 30 | days |
| fledging min.: | 0 | days | fledging max.: | 0 | days |
| broods: | 1 | | eggs min.: | 1 | |
| | | | eggs max.: | 2 | |
Click items below to expand
The Guianan Cock-of-the-rock is distributed in the mountainous regions of Guyana, eastern Colombia, southern Venezuela, Suriname, French Guiana and northern Amazonian Brazil. The preferred habitat is humid forest near rocky outcrops. The Guianan Cock-of-the Rock is found in the ancient, highly eroded mountains east of the Andes and north of the Amazon River, in the Guianas and adjacent areas of Venezuela, Brazil and Colombia. Male cocks-of-the-rock clear spots on the forest floor to form large leks where they sing loudly and perform mating dances for females. Predators such as hawks, jaguars, ocelots, and boa constrictors are attracted to these leks. Successful males will mate with many females during the breeding season. Females raise their young alone, building cup-shaped nests of clay and plants along rock faces or in holes on cliffs. They lay two eggs that hatch in about a month. Cocks-of-the-rock prefer fruit and berries, but will eat insects if other food is scarce This species has a large range, with an estimated global extent of occurrence of 1,700,000 km². The global population size has not been quantified, but the species is not believed to approach the thresholds for the population size criterion of the IUCN Red List (i.e., less than 10,000 mature individuals in conjunction with appropriate decline rates and subpopulation qualifiers), even though the species is described as 'uncommon' in at least parts of its range (Stotz et al. 1996). Global population trends have not been quantified, but the species is not believed to approach the thresholds for the population decline criterion of the IUCN Red List (i.e., declining more than 30% in ten years or three generations). For these reasons, the species is evaluated as Least Concern. Sedentary throughout range. article number 1 Title
PREDATION AND ANTIPREDATOR BEHAVIOR AT GUIANAN COCK-OF-THE-ROCK LEKS
Author(s): PEPPER W. TRAIL
Abstract: I documented predator attacks and antipredator behavior at four display sites of Guianan Cock-of-the-Rock (Rupicolaru picola) in Suriname from 1980 to 1985. Most observations were made at a large lek ..[more]..
Source: The Auk 104: 496-507. July 1987
download full text (pdf)
article number 2 Title
PREDATION AND ANTIPREDATOR BEHAVIOR AT GUIANAN COCK-OF-THE-ROCK LEKS
Author(s): PEPPER W. TRAIL
Abstract: i documented predator attacks and antipredator behavior at four display sites of Guianan Cock-of-the-Rock (Rupicola rupicola) In Suriname from 1980 to 1985. Most observations were made at a large lek ..[more]..
Source: The Auk 104: 496-507
download full text (pdf)
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