Iguanas come in 8 types including the Galapagos marine iguana. Green iguanas can reach 2 meters in length when well fed. Iguanas are initially aggressive using their tails as a weapon but are solitary except during mating. Marine iguanas have uniquely adapted to foraging at sea by developing salt glands to remove excess salt from their bodies. They are threatened by introduced predators and considered vulnerable to extinction in the Galapagos islands.

1. Iguanas

2. The iguana has 8 types: Galapagos marine iguana, the iguana Striped Fiji, the land iguana, iguanas of soilor rock, the desert iguana, thecommon green iguana, iguana dwelling and placed in a spiral. There are alsomany iguanoides lizards.

3. Green orcommon

5. Iguanas reach 2 meters, when fed either

8. They are aggressive animals at first, as the main weapon with the tail, which can be very painful, when they are too scared or angry they bite

10. Iguanas are solitary animals and only quite live in community for the duration of the mating period and reproduction, during which they gather in groups of 5 to 8 members, consisting of a dominant male, several females and juveniles

12. Iguana marina

13. Has the unique ability among modern lizards, living and foraging at sea.

14. The iguanas have developed a salt gland that removes excess salt in the body, for that reason sneeze salt particles, which will accumulate in the nostrils, which can not close.

15. They are under constant pressure from non-native predators like rats, feral cats, and dogs, who feed on their eggs and young. They are protected throughout the archipelago and are considered vulnerable to extinction.

16. The adult male has about 1.3 m long, while females 0.6 m, males weigh 1.5 kg.

17. The iguanas have something commonly called the "third eye", a special area of ​​skin located at the top of the head, which serves to detect only light and darkness.

18. When swimming, these animals slow their heart rate to keep warm. Even your heart can stop safely. Edure in the water 5minutes without air

19. Marine iguanas often wear distinctive white "wigs" of salt expelled from glands near their noses.

20. In the islands are seen everywhere and are very friendly

21. … And thebestWork: by Arón Gutierrez