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The Española cactus finch (G. conirostris) first arrived in Daphne Major in 1981, when it was observed to be a newcomer by Peter and Rosemary Grant. This has enabled scientists to trace changes in its genome: it originally interbred with local finches but has ceased to do so in later generations. The new descendants have become a distinct species.
Large ground finch (Geospiza magnirostris)The Daphne Major finches are a group of Darwin's finches that inhabit Daphne Major island of the Galápagos.The common cactus finch (Geospiza scandens) and the medium ground finch (G. fortis) are the main species; [1] while the large ground finch (G. magnirostris) and the Española cactus finch (G. conirostris) are regular immigrants. [2]
The common cactus finch or small cactus finch (Geospiza scandens) is a species of bird in the Darwin's finch group of the tanager family Thraupidae.It is endemic to the Galapagos Islands, where it is found on most islands, with the notable exception of Fernandina, Española, Genovesa, Darwin and Wolf.
Cactus finch may refer to the following birds: Common cactus finch, Geospiza scandens, small cactus finch. Española cactus finch, Geospiza conirostris.
Big Bird, also known as the Big Bird lineage, is one of the species of Darwin's finches that is exclusively present on Daphne Major of the Galápagos Islands.It originated from a mixed-breed of the Española cactus finch (Geospiza conirostris) and the medium ground finch (Geospiza fortis) that immigrated to Daphne Major in 1981. [1]
The genus Geospiza was introduced in 1837 by the English ornithologist John Gould with the large ground finch as the type species. [1] [2] The genus name derives from the two Ancient Greek words γῆ (gê), meaning "earth", and σπίζα (spíza), a catch-all term for finch-like birds.
The Genovesa cactus finch (Geospiza propinqua) is a species of bird in the tanager family Thraupidae. It is one of Darwin's finches, and is endemic to the Galápagos islands, Ecuador, where it is restricted to Genovesa Island. Its natural habitat is dry shrubland and it is commonly seen on the ground. Its main food source is the cactus Opuntia.
The genus Camarhynchus was introduced in 1837 by English ornithologist John Gould, with the large tree finch as the type species. [2] The name combines the Ancient Greek kamara meaning "arch" or "vault" with rhunkhos meaning "bill". [3] The members of the genus form part of a group collectively known as Darwin's finches. [4]