Taxonomy and systematics
Alternate names for the red-necked aracari include the double-collared aracari.
- Western red-necked aracari (P. b. sturmii) - Natterer, 1843: Originally described as a separate species. Found in central Brazil to eastern Bolivia
- P. b. reichenowi - Snethlage, E, 1907: Originally described as a separate species. Found in north-central Brazil
- Brazilian red-necked aracari (P. b. bitorquatus) - Vigors, 1826: Found in north-eastern Brazil
It is 38–45 cm (15–18 in) long and weighs 112-171 (4-6 oz.) Both sexes are basically alike but the female has little to no black at the rear of the throat; crown more brown, less black or none; yellow band on breast narrower; bill shorter (Short/Horne). Immature birds are browner overall and lack vivid coloration. This species has a relatively long tail.
The red-necked aracari is found in the southeast Amazon Basin and eastwards to the Atlantic coast on Marajó Island and the state of Maranhão, Brazil. It ranges only south of the Amazon River on the north, and southeastwards of the Madeira River in the west.
- BirdLife International (2012). "Pteroglossus bitorquatus". IUCN Red List of Threatened Species. IUCN. 2012. Retrieved 26 November 2013.old-form url
- "IOC World Bird List 6.4". IOC World Bird List Datasets. doi:10.14344/ioc.ml.6.4.
- "Archived copy". Archived from the original on 2007-08-19. Retrieved 2007-08-18.CS1 maint: archived copy as title (link)
- Red-necked Aracari photo gallery VIREO Photo-High Res
- Photo-Medium Res; Article nashvillezoo–"Ramphastidae"–South America species, with Range Maps
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