Number of Finch Finch Genus Types of Finches Species Tool Analogy for Beak Geospiza Ground and cactus 6 Heavy duty finches linesman's pliers Camarhynchus Tree finches
3 High leverage diagonal pliers Cactospiza Woodpecker and 2 Long chain nose mangrove finches pliers Platyspiza Vegetarian finch 1 Parrot-head gripping pliers Pinaroloxias Cocus island finch 1 Curved needle-nosed pliers Certhidea Warbler finch 1 Needle-nose pliers
Contrary to the traditional view, the Darwin finches were found to belong to four diverse groups, namely ground finches, tree finches
, vegetarian finches and Warbler finches.
Ground and tree finches
began rapidly branching into new species about 300,000 to 100,000 years ago.