Land Iguana: Part 2
The iguanas in the Galápagos eat cacti and though they usually scrape off the cactus spines, sometimes they eat the whole cactus — spines and all — and it doesn’t affect their stomachs. (Photo Credit: © Wolfgang Kaehler/Corbis)
Introducing... the Galápagos
What's the Big Idea? Biodiversity
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