Iguana/ɪˈɡwɑːnə/ Definition 1 of 1Pro Tip 1/3Geographic Habitat Iguanas are commonly found in warm climates and are not native to cold regions. You won't find iguanas in Canada; they live in warmer areas. Pro Tip 2/3Wild or Pet Iguanas can be wild creatures in nature or raised as pets in human households. My cousin has a pet iguana, but in the wild, they roam freely. Pro Tip 3/3Physical Features Iguanas often have spiny backs and can be various colors, including green or brown. The green iguana I photographed had long claws and a spiny crest.