Female iguanas don't care for their young - once they hatch they are on their own - but young iguanas stick together for their first year. The males will protect their sisters from predators by shielding them with their bodies. Iguanas are the only reptiles which do this.
10 facts about iguanas:
https://topicaltens.blogspot.com/2016/09/8-september-iguana-awareness-day.html