The USA Forest Service has built more than 360,000 miles of various kinds of roads in national forests -- or eight (8) times the entire length of the U.S. interstate highway system.

A male giraffe can weigh as much as a pickup truck! That's about 1400 kilograms.

A frog is an amphibian. They lay their eggs in water. The eggs hatch into a tadpole which lives in water until it metamorphoses into an adult frog.

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