Extreme Nature QA - Smithsonian Q & A Children's Cloth Author:Melissa Stewart A blue whale is extremely big -- as long as two school buses placed end to end. The stout infantfish is extremely small -- as small as the eraser on a pencil. A peregrine falcon is extremely fast -- it can dive at 200 miles per hour. A sloth is extremely slow -- it might take three hours to move one mile. But the biggest, the smallest, the faste... more »st, the slowest, and every other living creature on Earth need to find food, stay safe, and raise young. Extreme Nature! Q&A lets you in on some of the amazing ways plants and animals accomplish these goals.« less