Aulacorhynchus atrogularis dimidiatus (Ridgway, 1886)

Emerald toucanet (generic)



Taxonomy & Nomenclature

Synonym/s: Aulacorhynchus dimidiatus Ridgway, 1886; Aulacorhynchus prasinus dimidiatus (Ridgway, 1886)


Conservation Status

Last record: 1886 or before

Rediscovered in 1974 or before



Peru (eastern) (& Venezuela?)


Biology & Ecology










Original scientific description:

Ridgway, R. (1886). Descriptions of some new species of birds supposed to be from the interior of Venezuela. Proc. U.S. Natl. Mus. 9: 92-94. 


Other references:

Cory, C. B. (1919). Catalogue of birds of the Americas. Part II., No. 2. Field Museum of Natural History Zoological Series 13: 317-607.

O'Neill, John P. and Gardner, Alfred L. (1974). Rediscovery of Aulacorhynchus prasinus dimidiatus (Ridgway). The Auk 91(4): 700-704.

Ridgway, R. (1914). The Birds of North and Middle America, Part VI. Bulletin of the U. S. National Museum 50(6): 1-882.


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