A common ancestor of most of the finches arrived in the Galapagos about 1.
Scientists thought that sharp-beaked ground finches (G.
Caption: Beak shape in Darwin's finches is strongly influenced by a single gene, new research suggests.
Recent studies have indicated a Caribbean origin for Darwin's finches (Burns, Hackett & Klein, 2002).
Geospiza is the genus name for four species of ground and two species of cactus finches from the Galapagos Islands.
S]everal of the islands possess their own species of tortise, mocking thrush, finches and numerous plants.
Black phoebes and house finches in joint use of a nest.
Pages 290-314 in Life histories of North American cardinals, grosbeaks, buntings, towhees, finches, sparrows, and allies (O.
It was a good system that had never failed the Finches until .
The Finches started their routine of putting all the Shortie ingredients onto the kitchen counter, ready for the family assembly line.
The other three Finches looked at Isabel as if she had just announced that she was running for President of the United States.
As she watched young finches
grow up, Tebbich noticed stages of experimentation with twigs.