While observing a crocodile swimming, you may be able to spot the following parts of its anatomy:
1. Eyes: Crocodiles have protruding eyes that are positioned on the top of their head. They can be seen above the waterline, allowing the crocodile to keep a lookout while mostly submerged.
2. Nostrils: Located at the tip of the snout, the nostrils are barely visible when the crocodile is swimming just below the water surface.
3. Snout: The snout or the front part of the crocodile's head is usually seen breaking the water surface.
4. Back or Ridge: As a crocodile swims, its back or the bony ridge along its spine may be partially exposed, especially if the water level is low.
5. Tail: The tail of the crocodile is often visible as it propels the animal forward in the water. It can be seen swishing or moving side to side.
Remember, crocodiles are skilled predators that often camouflage themselves in the water, so not all of these parts may always be visible when they are swimming.