Darwin's finches (also known as the Galápagos finches) are a group of about fifteen species o passerine birds.They often are classified as the subfamily Geospizinae or tribe Geospizini. It is still not clear which bird family they belong to, but they are not related to the true finches. They were first collected by Charles Darwin on the Galapagos Island during the second voyage of the Beagle. All are found only on the Galápagos Islands, except the Cocos Finch from Cocos island.
The term Darwin's Finches was first applied by Percy Lowe in 1936, and popularised in 1947 by David Lack in his book Darwin's Finches. The birds vary in size from 10 to 20 cm and weigh between 8 and 38 grams. The smallest are the warbler finches and the largest is the Vegetarian finch. The most important differences between species are in the size and shape of their beaks, and the beaks are highly adapted to different food sources. The birds are all dull-coloured.
The term Darwin's Finches was first applied by Percy Lowe in 1936, and popularised in 1947 by David Lack in his book Darwin's Finches. The birds vary in size from 10 to 20 cm and weigh between 8 and 38 grams. The smallest are the warbler finches and the largest is the Vegetarian finch. The most important differences between species are in the size and shape of their beaks, and the beaks are highly adapted to different food sources. The birds are all dull-coloured.
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