The veiled
chameleon, Chamaeleo calyptratus, is a large species of chameleon found in the mountain regions of Yemen, United Arab Emirates and Saudi Arabia. It is also sometimes referred to as the Yemen Chameleon.
Male
chameleons of the species have small spurs or heels on the back their rear feet; while females do not. This spur is present on males from hatching, and can grow larger with maturity. Adult male Veiled chameleons are relatively large for reptiles. It is possible for them to reach an overall length of 24 inches (60 cm). Most specimens usually reach between 14 to 18 inches (35–45 cm). Females are smaller with the average overall length being just under 12 inches (30 cm). Males and females both have a decorative growth called a "casque" on their heads. The casque of a male chameleon is much taller than the female's.
Female veiled chameleons can produce up to three clutches of eggs a year, as early from 4-6 months of age. Each clutch may contain 20–70 eggs. The eggs dissimilar to chickens. They retain sperm, which is why they lay so many clutches. Egg-laying sand must be provided for mature females in an incubated bucket or etc. with approximately 8-10 inches of organic garden soil, or they can die of egg binding.
Veiled chameleons are omnivores. While their main diet consists of insects, they will occasionally consume the leaves, blossoms, and fruit of various plants. This is especially true in times of drought when water is scarce. Like all chameleons, veiled chameleons prefer to drink water that is in drops or on leaves. They do not always recognize standing water and may dehydrate if that is their only source.