The Rusty-margined Guan (Penelope superciliaris) is a species of bird in the Cracidae family, which includes the chachalacas, guans, and curassows. It is found in the dry regions of northeast Brazil, the cerrado and caatinga, as well as southeast Brazil; also the pantanal and the adjacent southeast Amazon Basin. It is also found in eastern Paraguay with extreme northeast Argentina, and eastern Bolivia in the Pantanal. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical dry shrubland. It tolerates human proximity well and can be found even in the city of Rio de Janeiro, in places such as the Rio de Janeiro Botanical Garden as well as in the adjoining Tijuca Forest.

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1. ^ Johan & Christian Dalgas Frisch, Aves Brasileiras e Plantas que as atraem, São Paulo, authors' edition,3rd. ed., 2005, ISBN 85-85015-07-1 , pgs.58/59
2. ^ José Felipe Monteiro Pereira, Aves e Pássaros Comuns do Rio de Janeiro, Rio de Janeiro, Technical Books Editora, 2008, ISBN 978-85-61368-00-5 ,pg.47