An alligator's monstrous jaws might spell doom, but they make for a comfy nursery for her babies. | National Geographic

Crocodile or alligator? There are three easy tells. One has a striking v-shaped snout, while the other is more of a curved “u”. Both approximately mature at the same rate to become fully grown, yet one is larger and the other a tad smaller. One’s scaly thick skin reflects a beautiful lighter color, while the other boasts a more vibrant armored body. Based on those few clues, which one do you think it is? Find out if you are right in our stories tomorrow! Video by @paulnicklen #crocodile #alligat