Results 4 results found An adult black spiny-tailed iguana (Ctenosaura similis), on the ground on Barro Colorado Island, Panama, Central America An adult black spiny-tailed iguana (Ctenosaura similis), on the ground on Barro Colorado Island, Panama, Central America Adult female San Esteban spiny-tailed iguana (Ctenosaura conspicuosa), endemic to Isla San Esteban, Baja California, Mexico, North America Spinifex grass grows in arid ground at King's Canyon, Northern Territory, Australia