The female chameleon then lays a clutch of around 20 eggs, although the exact number of eggs can vary from just one to nearly 100. The chameleon eggs take from 4-12 months to hatch, depending on the chameleon species. Today many chameleon species are considered to be threatened with extinction, and other chameleon species are even considered to to endangered. The declining chameleon numbers are most likely due to habitat changes such as pollution and deforestation.