56.1 MB (1.7 MB compressed)
4488 x 4370 pixels
38.1 x 37.1 cm ⏐ 15.0 x 14.6 in (300dpi)
GARY HINCKS / SCIENCE PHOTO LIBRARY GARY HINCKS / SCIENCE PHOTO LIBRARY
Galapagos finches. Artwork showing the beaks of different species of finches found in the Galapagos Islands. These birds were so different that naturalist Charles Darwin (1809-1882) first thought that they were unrelated to each other. However, he later realised that they were all finches, in what is now known as the family Fringillidae. He went on to draw the conclusion that they all probably came from a common ancestor, but had diversified and evolved to adapt to local food supplies on the different islands, hence the specialised beak shapes seen here.
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