darwins-finches

Darwin's finches

noun
a group of Galapagos Island finches, observed by Charles Darwin, that provide striking evidence of speciation.

Origin:
1945–50

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World English Dictionary
Darwin's finches
 
pl n
the finches of the subfamily Geospizinae of the Galapagos Islands, showing great variation in bill structure and feeding habits: provided Darwin with evidence to support his theory of evolution

Collins English Dictionary - Complete & Unabridged 10th Edition
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Darwins-finches is always a great word to know.
So is gobo. Does it mean:
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
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