large grand cayman iguana sunning on a rock

activity black blue brown camoflauge caribbean cayman claws closeup cyclura decline desert destruction dimorphic dragon dry endangered endemic forest grand gray green habitat herbivore herbivorous human iguana iguanas invasive island itself large lewisi lizard long nature prey programme recovery reptile roadkill rock rocks rocky scales scaly sexually solitary species spike spines striped stripes sunning tail tan terrestrial tropical wild