Question

While touring Galapagos islands, Charles Darwin came across some birds which exhibited variation in beaks due to variation in feeding habits. Which birds were these?

Answer 1

Darwin came across some birds in Galapagos islands that had a variety of beak shape and sizes and were showing difference inf feeding habit. These were passerine birds. These are commonly called Darwin's Finches or Galapagos Finches. They represent the phenomenon of adaptive radiation.