Brace’s Emerald (Chlorostilbon bracei)

Originally, Brace’s Emerald was only ever known by a single male specimen that had been collected in 1877 on the island of New Providence, Bahamas; this was long ignored completely and was considered identical with the Cuban Emerald (Chlorostilbon ricordii (Gervais)) which also inhabits the Bahamas. In 1945 it was then considered to be a subspecies of the Cuban Emerald; only in 1987 it was recognized as having been a completely distinct species.

Brace’s Emerald is now also known from fossil bones that were recovered from Pleistocene deposits on New Providence in the 1980s; it is now understood as a Pleistocene relict that had survived into modern times only to disappear completely after its discovery.

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References:

[1] Gary R. Graves; Storrs L. Olson: Chlorostilbon bracei Lawrence, an extinct species of hummingbird from new Providence Island, Bahamas. The Auk 104: 296-302. 1987

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edited: 30.10.2020