BirdLife International and Handbook of the Birds of the World (). Cacicus haemorrhous. The IUCN Red List of Threatened Species. IUCN Cacicus haemorrhous haemorrhous: SE Colombia to e Ecuador, Peru, Bolivia and n Amazonian Brazil; Cacicus haemorrhous affinis: Paraguay to e and s Brazil . Red-rumped Cacique · Cacicus haemorrhous · (Linnaeus, ). Order: PASSERIFORMES. Family: Icteridae (Oropendolas, Orioles and Blackbirds).
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Red-rumped Cacique Cacicus haemorrhous haemorrhous.
Some females practically finished nest building and later abandoned them without laying eggs. Red-rumped Cacique Cacicus haemorrhous.
IUCN Red List of Threatened Species
The red-rumped cacique nest survival probability was KELLY also found a larger survival rate during incubation period for Dusky flycatcher EmpidonaxoberholseriPhillips Tyrannidaebut this difference was not statistically significant. Cacicus haemorrhous Linnaeus There are more than 12, regional checklists in Avibase, offered in 9 different taxonomies, including synonyms more than languages.
Nests were abandoned during several building phases. Components of avian breeding productivity. Suggestions for calculating nest success.
Volume 1, Part 1 12th ed. Museum of Comparative Zoology. In NE Argentina moves to more continuous forest during non-breeding season, For each colony, the following was calculated: Our specific objective was to evaluate difference in the breeding success related to three environments lake edge, forest clearing and swamp in the study area.
However, many females breeding together can be harmful if predators are attracted to nest concentrations or by females movement, increasing the predation risk in very crowded areas. The climemate is humid tropical, with rainy season from October to March and dry season from April to September.
Red-rumped Cacique Cacicus haemorrhous affinis. The Condor 73 1: Adaptive significance of delayed attainment of plumage in male American redstarts: When we observed the female bringing food items and feeding the nestlings, we assumed that the contents of the nest were nestlings.
A large, black cacique. This Icteridae -related article is a stub.
RED-RUMPED CACIQUE Cacicus haemorrhous FAUNA PARAGUAY
The adaptive significance of coloniality in birds. Avibase has been visited , times since 24 June Nesting mortality in the red-winged blackbird. Biology and organization of two sympatric Caciques, Cacicusc. Views Read Edit View history. Antipredation value of colonial nesting in Yellow-headed Blackbirds.
To register to myAvibase click here. The Auk 3: We found that colonies established in the swamp presented higher nest survival than the others and the ones in the lake edge had lower survival. Nest abandonment and fall Nests were abandoned during several building phases.
Adult perched on a branch.
Therefore, it is not surprising that the main cause of red-rumped cacique nests loss is predation as suggested in the present study. Bird Conservation International 15 4: Retrieved 1 May In other projects Wikimedia Commons Wikispecies. Female choice and polygyny in red-winged blackbirds. The smallest abandonment rate, before eggs were laid, occurred in swamp colonies It inhabits humid tropical forests, including gallery forests.
Burst of calls from bird 15m from mic in thick forest regrowth on wetland edge.
He used the French name Le cassique rouge and the Latin name Cassicus ruber. Vegetation structure, food supply, and polygyny in bobolinks Dolichonyxoryzivorus.
The Auk 94 1: