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Veiled chameleon
The veiled chameleon (''Chamaeleo calyptratus'') is a species of chameleon native to the Arabian Peninsula in Yemen and Saudi Arabia. Other common names include cone-head chameleon and Yemen chameleon.〔
==Description==
The male is 43 to 61 centimeters long from the snout to the tip of the tail. The female is shorter, no more than about 35 centimeters, but it has a thicker body. Both sexes have a casque on the head which grows larger as the chameleon matures, reaching about 5 centimeters in the largest adults. Newly hatched young are pastel green in color and develop stripes as they grow. Adult females are green with white, orange, yellow, or tan mottling. Adult males are brighter with more defined bands of yellow or blue and some mottling.〔(Veiled Chameleon. ) Smithsonian National Zoological Park.〕
Coloration can be affected by several factors, including social status. In experimental conditions, young veiled chameleons reared in isolation are darker and duller in color than those raised with other individuals.〔Ballen, C., et al. (2014). (Effects of early social isolation on the behaviour and performance of juvenile lizards, ''Chamaeleo calyptratus''. ) ''Animal Behaviour'' 88 1-6.〕 Females change color across their reproductive cycles.〔Kelso, E. C. and P. A. Verrell. (2002). (Do male veiled chameleons, ''Chamaeleo calyptratus'', adjust their courtship displays in response to female reproductive status? ) ''Ethology'' 108(6) 495-512.〕 Chameleons also change color when stressed.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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