Red-billed Curassow Crax blumenbachii
Version: 1.0 — Published June 17, 2011
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Curassows spend the night perched in trees, with individuals frequently using the same area to roost. Typically an adult male and an adult female roost together, or an adult male may roost with several females; two or more adult males do not roost together.
The adults are territorial. Reintroduced adult males in Guapiaçu Ecological Reserve were on average 3 km apart from each other, suggesting the males do not overlap territories (Bernardo 2010).
The species is monogamous but may become polygynous if sex ratios are skewed (Sick 1970).
Social and interspecific behavior
Usually solitary or in pairs. Reintroduced individuals at Macedonia farm (Minas Gerais) were seen with Rusty-margined Guans Penelope superciliaris, engaged with similar activities (Azeredo and Simpson 2004).
The reintroduced birds in Guapiaçu Ecological Reserve, Rio de Janeiro, Brazil, were predated mostly by natural predators such as felids (puma Puma concolor, ocelot Leopardus pardalis) and hawks (Spizaetus spp.) (Bernardo et al. 2011a). In the beggining of the study, domestic dogs belonged to members of neighborhood communities killed some reintroduced Red-billed Curassows (Bernardo et al 2011a).