Latest insights from research is that Small Tree-finch (pop 1) and Medium Tree-finches (pop 2) are hybridizing (offspring are genetic population 3). Large Tree-finch is presumably extinct on the island. All "large-billed" individuals should be considered Medium Tree-finch (pop 2), but safest identified by genes. This female was photographed in the highlands and is presumably this species.
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Taken during a MINDO BIRD TOURS trip.
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CitationDusan M. Brinkhuizen, IBC1052996. Accessible at hbw.com/ibc/1052996.
Dusan M. Brinkhuizen, IBC1052996. Photo of Medium Tree-finch Geospiza pauper at Floreana, Galapagos Islands. Accessible at hbw.com/ibc/1052996.
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