1Crocodiles are known for their aggressive behavior and are a threat to humans in some areas.
2The zoo has a large enclosure for the crocodile, where visitors can observe it from a safe distance.
3In some cultures, crocodiles are considered sacred animals and are protected by law.
4The documentary showed a group of crocodiles basking in the sun on the riverbank.
5Crocodiles have been on Earth for over 200 million years, and are often referred to as 'living fossils'.