Chameleons
Chameleons are amazing creatures, but sometimes are not the best choice as pets. They are not for the beginner and their requirements are quite specific, and they are easily stressed. They do not like to be handled so pass this reptile by if you want to be able to handle your reptile.
True (also known as old world) chameleons are most well known for their ability to change color. Young chameleons are usually a dull gray/brown color and can change shades a bit, but at around 5 months of age the adult color and the ability to change colors develops and a range of colors including green, blue green, turquoise and black can be seen. Changing colors provides camouflage, temperature regulation and a means of communicating with other chameleons. Colors change in response to excitement, stress, temperature, lighting conditions, the presence of another chameleon, and other influences. Generally, a dark brown to black chameleon is stressed, with the brighter colors reflecting a happier mood. Also, different colors can be seen due to color mutations and other color phases.
Other features that make chameleons unique include their tongue, which is used to catch prey. The tongue can be up to 1.5 times the length of the body, allowing chameleons to effectively catch insects from a distance. They live in trees, and their feet have three toes pointing one way and two the other, giving them a good grip. Many species also have a prehensile tail, meaning it is also used to grip branches. They have globular eyes which rotate like turrets and move independently, allowing a chameleon to scan a wide radius around them for both hunting and protection. They are largely insectivorous, although some species eat some vegetation and some small invertebrates such as slugs.
When selecting a chameleon, it is without question best to find a captive bred one. Wild caught specimens are usually extremely stressed, carry a heavy parasite load, and difficult to acclimate to captive conditions. Chameleons are not the hardiest nor easiest reptile to keep and starting with a stressed pet will only make matters worse. In addition, the capture and shipping of chameleons (which fortunately is being more tightly regulated) results in the death of many animals due to stress, dehydration or starvation - many more die in transit than make it to the pet store. (The same can be said for many exotic pet species.) Observe the chameleon - it should be bright and active, able to change colors, and have a well fleshed body. Some experienced chameleon keepers recommend a male, especially for the beginner, as their nutritional needs are somewhat simpler and they seem a little more hardy. Being territorial and solitary animals, chameleons should be kept singly. In any case, two males should never be kept together as they will be very aggressive with each other.
The natural habits of chameleons make them tricky to care for - they are arboreal, living exclusively in trees. They are solitary, and easily stressed. As a result, they need a cage with ample foliage for climbing and privacy. The enclosure must be quite large - for the larger chameleons a minimum of 3 feet by 3 feet by 4 feet tall should be provided - but the more space the better. Ample ventilation is required, and a cage screened on three sides is best, with poly mesh or vinyl coated wire preferred to prevent injury due to toes becoming caught. Lots of branches of various diameters need to be provided for climbing and the bulk of the cage space should be filled with branches or live foliage. Ensure that the plants are not toxic, as the chameleon may sample the foliage. Some enthusiasts recommend avoiding ficus plants as well. Substrate made up of small particles (gravel, sand, bark, moss) should be avoided to prevent the chameleon from accidentally eating it while catching prey. Several basking areas of various temperatures must also be provided, ranging from the upper limit of the species temperature preference to the loser end of the range, to allow the chameleons to thermo regulate. Jackson's chameleons do well at lower temperatures, but panther and veiled chameleons prefer warmer temperatures.
Chameleons do best with access to natural sunlight, but this is not feasible as a sole source of UV radiation for most owners. Incandescent and full spectrum (UV) fluorescent lighting is necessary. In addition, allowing some exposure to natural sunlight through an open window (glass filters out nearly all of the necessary UV radiation) will help keep chameleons happy and healthy (or placing the chameleon outdoors if the weather is appropriate, providing adequate shade to prevent overheating).
Chameleons get their water from droplets on leaves - as a rule they will not take water from a dish. Adequate water intake must be provided either through a drip system or by misting the enclosure at least twice daily. Drip systems can be purchased or fashioned from a water container with a pinhole placed on top of the cage, or even by placing ice cubes on top of the cage to melt slowly and drip into the cage. If a drip system is used, keep the watering location consistent so the chameleon knows where to find water. Misting will also help keep the humidity levels up. If a drip system is used, the excess water should be collected and removed though, to prevent the humidity from getting to high.
Chameleons seem to do best on a variety of insect foods. Try to feed as many types of insects as possible. Crickets, meal worms, super worms, wax worms, wax moths, non infesting roaches are all good items to feed. Prey food should be gut loaded with nutritious foods (leafy greens, vegetables, fruit) prior to feeding, and should be dusted with a calcium and vitamin D supplement. Chameleons may be susceptible to overdosing with vitamin A (hypervitaminosis A) so supplements must be balanced carefully. Again, the care sheets below cover details of supplementation. Keep in mind that egg laying females will need extra calcium supplies. Also, some nutritious leafy green (avoid spinach, lettuce, and cabbage) and other vegetables and fruits can be offered in small amounts as chameleons will occasionally sample these.
Chameleons are easily stressed, so cages should be placed in low traffic areas (a quiet room is ideal), and barriers (e.g. lots of foliage in the cage) between the chameleon and household activity should be provided. Avoid handling the chameleon and when observing the chameleon move slowly. They are fascinating and amazing, but need some special considerations to keep them stress free and healthy.
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