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The Chestnut-eared Aracari, Pteroglossus castanotis, is a bird native to central and south-eastern South America. It belongs to the toucan and aracari family (Ramphastidae). P. castanotis is a larger, more colorful bird than the Black-necked Aracari (P. aracari), which it otherwise resembles.
The range of the Chestnut-eared Aracari is the southern Amazon Basin, especially the southwestern of this region. It is also found in the eastern Andean foothills; a narrowing range extension enters central-southern Colombia by 900 km.
The southern Amazon Basin range narrows in the southeast to only the upstream half-headwaters of the north-flowing Amazon River tributaries. This range continues southeastwards into the central and southern Cerrado and ends in the Parana River region in eastern Paraguay, southeastern Brazil and the extreme northeast of Argentina.
Ischnoceran lice found on the Chestnut-eared Aracari were first described as Austrophilopterus cancellosus castanotus. But these parasites are actually indistinguishable from those on most other Pteroglossus, and today united with them in Austrophilopterus flavirostris.
(2007): Avifauna atual do Rio Grande do Sul, Brasil: aspectos biogeograficos e distribucionais ["The Recent avifauna of Rio Grande do Sul: Biogeographical and distributional aspects"]. Talk held on 2007-JUN-22 at Quaternario do RS: integrando conhecimento, Canoas, Rio Grande do Sul, Brazil. PDF abstract
(2005): The genus Austrophilopterus Ewing from toucans, toucanets, and aracaris . Zootaxa 918: 1-18. PDF abstract
Chestnut-eared Aracari videos on the Internet Bird Collection
Chestnut-eared Aracari photo gallery VIREO
Photo-High Res; Article tropicalbirding–"Southeast Brazil"
Photo-Medium Res; Photo and Species analysis www.nfss.org–"Chestnut Eared Aracari"
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article Chestnut-eared Aracari