It seems that not only mammals and birds are shaped by social interactions, with young chameleons showing their social development is affected by how they are raised.
In a new study on chameleons, lizards raised in isolation were more submissive, slower at attacking certain food, and displayed darker and duller colours than those raised with their siblings.
Until recently scientists have believed that only “social” species, such as birds and mammals, were disadvantaged by being reared in isolation. It was thought that the behaviour of non-social reptiles is determined by their genes, rather than their interactions with members of the same species.
Read more at University of Sydney