Darwins finches
Darwin's finches Fourteen species of Geospizinae that are endemic (see endemism) to the Galápagos Islands. There are only six species of all other passerine birds and one species of cuckoo on the islands. Thus it is inferred that an ancestor of the finches arrived on the islands before other birds and then underwent adaptive radiation. Each species has evolved a distinctive beak type, and feeds on food not eaten by the other species.
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Endemic , Endemic
Generally, endemic is defined as anything characteristic or native to a particular local area or environment. In a biogeographic sense (refer… Indifferent Species , indifferent species A species with no real affinity for any particular community, but which is not rare (as an accidental species would be). It is fi… Darwins Finches , Darwin's finches or Galapagos finches (gəlä´pəgōs´), species of small perching birds, constituting the subfamily Geospizinae of the tanager family. N… Old World Warblers , Sylviidae (Old World warblers, cisticolas, prinias; class Aves, order Passeriformes) A family of small birds which have brown, grey, or greenish plum… preferential species , preferential species In phytosociology, a species that is present with varying abundance in several communities, but is especially abundant and vigor… Constant Species , constant species(constancy) In phytosociology, a species common to a particular association or community, but not necessarily confined to that commun…
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Darwins finches