Geospiza fortis (*)
Geospiza fortis Gould, 1837
The Medium Ground Finch (Geospiza fortis) is a species of bird in the Emberizidae family. It is endemic to the Galapagos Islands. Its natural habitats are subtropical or tropical dry forests and subtropical or tropical dry shrubland. One of Darwin's finches, the species was the first which scientists have observed evolving in real-time.
* BirdLife International 2004. Geospiza fortis. 2006 IUCN Red List of Threatened Species. Downloaded on 25 July 2007.
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