In 2012, a group of scientists were exploring a rain forest in South America when, all of the sudden, they heard a familiar noise. It was the sound of frogs! When they shined their flashlights in the direction of the noise and found a tiny frog, the frog had large eyes and bright-green colored skin. However, it had one very interesting feature. The skin on its belly was so clear that the scientists could see its organs! Because it had transparent skin, the scientists knew it was a type of glass frog. They had never observed a frog like this in their previous research. “It was amazing,” said Charles Austin, one of the researchers who discovered the frog. “We had a feeling this was a species new to science.”
The author’s purpose in writing the paragraph above is to--