What Made Darwin Sail to the Galapagos Islands?
Galapagos Islands are a small group of islands belonging to Ecuador in the eastern Pacific. Total area is about 7880 sq km (3040 sq miles). The Galapagos Islands and...
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Who Were Humboldt and Ritter?
Friedrich Wilhelm Heinrich Alexander von Humboldt (1769-1859), and Carl Ritter (1779-1859) were two Germans whose combined travels and researches changed the whole...
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Why Do Toucans Have Such Big Bills?
Why Do Toucans Have Such Big Bills? Toucans use their long bills to pick fruit to eat, but no one is sure why their bills are so big. One possibility is that the...
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