Microlophus indefatigabilisThe Santa Cruz lava lizard is a species of lava lizard endemic to the Galapagos island of Santa Cruz.DistributionEndemic to Santa Cruz Island, it is found within volcanic rock areas, dry shrublands, dry grasslands, deciduous forests, and urban areas, and prefers shaded locations.DescriptionThey are identifiable by a brown body with scattered black and white blotches with a distinctive red and black throat and a black chest. Females have a more uniform brown body, a bright orange face, and a black mark at shoulder level. The species is able to shed its tail without mortal injury.Sexual dimorphismHarems are kept, and are competed for by males using a pushup ritual to avoid physical injury. Males have a higher stamina and greater body size compared to the female.