Why Are Whales So Big?
But Why: A Podcast for Curious Kids
Why Are Blue Whales Blue?
Five-year-old Draco wants to know why blue whales are blue. This is such a good question, I don't know and nobody really does. Here's what we know: Whales tend to have this pattern of coloration that we call counter shading. So they're dark on top and light on the bottom. Even though they're blue, if you look at their bellies, they're a little lighter than their backs.
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