The Dry-West population of Furcifer oustaleti is Remarkable

The population of the Oustalet's chameleon (Furcifer oustaleti) around Mahajanga in the extreme west of Madagascar is characterized by its slender appearance and incredible collar. The gular grooves are rusty brown to orange in males, while females exhibit yellow coloration. Additionally, the inner side of the throat is lime yellow in both sexes.