a male of galapagos marine iguana resting on lava rocks

amblyrhynchus america amphibian animal archipelago atlantic biology bird black chelonia close closeup coldblooded cristatus dragon ectothermic ecuador ecuadorian endangered endemic exotic fauna galapagos habitat iguana islands lava life lizard male marine monster natural nature ocean reptile reptilian resting rock rocks rocky rugged scary species stiffened stone tropical ugly volcanic volcano wild wilderness wildlife