The finch species of Galapagos islands are grouped according to their food sources. Which of the following is not a finch food?

Step-by-step solution

Darwin's Finches shows adaptive radiation, which occurred in response to various food resources available. They feed on insects, tree buds, seeds, cactus, etc. Carrion are dead bodies and no finches feed on them. Related Theory Darwin studied the climatic conditions, fauna and flora of Galapagos islands. He noticed varieties of small birds in these islands which differed mainly in the shape and size of their beak and in the colour of their plumage. These birds are now called Darwin's finches. Darwin concluded that