Its attachment to the hyoid bone prevents the formation of a dewlap. No flabs apart from a slight dewlap along the lower (ventral) part of the neck. Females have a well developed but smaller dewlap and a low caudal crest. It has a pinkish-white dewlap. Males also have dense fur on their foreheads and a large dewlap on their throats. These muscles controlling movement of the dewlap are around the throat and larynx. The gaur does not have a distinct dewlap on the throat and chest. They have a well-developed, firm hump, medium dewlap, deep barrel, and strong legs. Lizards usually accompany their dewlap movement with head bobs and other displays. The neck medium in length, strong, with a slight dewlap. Instead of the typical orange dewlap, the iguanas of St. Lucia have a black dewlap. This dewlap is used in courtships and territorial displays. A column of pendant coarse hair hangs from the dewlap ridge below the white patch. In addition, iguanas have a well-developed dewlap, which helps regulate their body temperature.