ground finch
"Ground finches" are a group of birds in the genus Geospiza, known for their role in Darwin's study of evolution and natural selection.
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Definition
C1Ornithology
(technical, scientific)A bird species in the genus Geospiza, native to the Galápagos Islands, with a strong beak adapted for eating seeds.
Example
- The ground finch uses its robust beak to crack open seeds.
- Ground finches are often studied for their evolutionary adaptations.
C1Ornithology
(scientific, historical)A bird from the group known as Darwin's finches, significant in the study of natural selection.
Example
- Darwin observed ground finches during his voyage on the HMS Beagle.
- Ground finches have diverse beak shapes that demonstrate adaptive evolution.
Similar
Terms that have similar or relatively close meanings to "ground finch":