Finches and flies with a taste for blood

Predators with a taste for blood abound on the remote Galapagos Islands… Meet the Vampire Ground Finch 19 different species of finches can be found on the Galapagos Islands. Observations of their various beak shapes, specialized for different diets and purposes, helped Charles Darwin develop the theory of evolution. One species I do not recall learning about in Biology class, however, is the vampire ground finch (Geospiza septentrionalis), which can […]

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