How do you tell the difference between male and female anoles?

Answer 1

I own brown anoles and I've done quite a lot of research work on them. You can see it on a website (see related link) and Just click on "Project Anole".

So anyways, both the male and female brown anoles have a red flap called a dewlap. The males dewlap is larger than the females, and they use their dewlap to attract mates, warn off predators, and to threaten other males. The females dewlap is very small, but if you pick a female up you can see it. The difference between the males and females dewlap is great. While the males are quarter sized or larger when inflated, the females are smaller then a penny.

The males are larger then the females, which is quite common in different lizard species. You can obviously tell the difference when both male and female browns are in sight.

The coloring in both sexes are very similar. The lizards can change their coloring from a light brown to a blackish color, so the coloring doesn't help when telling the males and females apart.