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Red-shouldered Macaw  

Also Known As: Hahn's Macaw, Noble Macaw (D.n. cumanensis)
 
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Credit: (c) Ekhaa Alsamraey | License: ShutterStock
 
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Did You Know?
At 165g (5.8 oz) the Red-shouldered Macaw is the smallest of all the macaws. By contrast, the Hyacinth Macaw is 1400g (49 oz) or more.

Species Profile
Genus:
Diopsittaca

Species:
nobilis

Size: Adult Weight:
30cm (11.7 in) 130-170g (4.5-6 oz)

Races including nominate:
three: D.n. nobilis, D.n. cumanensis, D.n. longipennis

Colourization Adult: D.n. nobilis: both adults in general yellow/green; blue forehead and forecrown; red bend of wing, carpal edge and lesser underwing coverts. Bill dark grey. Face bare and white. Eye dark orange. D.n. cumanensis: both adults larger than nobilis, larger bill with horn coloured upper mandible. D.n. longipennis: both adults as in cumanensis, but larger in size.

Colourization Juvenile: D.n. nobilis: green forehead and forecrown; green bend of wing and carpal edge, replacing red; lesser underwing coverts red. Eye brown.

Call: Calls made in flight are shrill and repetitious, emitted in short bursts; or harsh notes. Calls of an entire flock produce a vibrating tone.

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Recent Academic Research: Google Scholar - search results

 

Content Sources:

Central Pets http://www.centralpets.com/animals/birds/parrots/prt5711.html

Animal World http://animal-world.com/encyclo/birds/macaws/Hahns.php

CITES http://www.cites.org/eng/resources/species.html

BirdLife International http://www.birdlife.org/datazone/species/index.html?action=SpcHTMDetails.asp&sid=1559&m=0

Internet Bird Collection http://www.hbw.com/ibc/

xeno-canto America http://www.xeno-canto.org/index.php

Parrots: A Guide to Parrots of the World, Juniper and Parr, 1998.

Parrots of the World, Forshaw and Cooper, 1977.

Parrots of the World, Forshaw, 2006.

Parrots in Aviculture, Low, 1992.

Psittacine Aviculture, Schubot, Clubb and Clubb, 1992.