DCSIMG

Smithsonian National Zoological Park l Friends of the National Zoo

Search

Shop

Grand Cayman iguana
Cyclura lewisi
Endangered

Also known as the 'blue iguana,' the Grand Cayman iguana can change the color of its skin. When the iguana is resting, it is a blue-gray color, but when it becomes excited, the front half of its body turns turquoise blue. During mating season the males and females turn different colors, with the males becoming electric blue and the females becoming powder blue.

Adult Grand Cayman iguanas can reach five feet in length and weigh as much as 15 to 20 pounds.

In the wild, Grand Cayman iguanas enjoy a diet composed primarily of plant life, but they will occasionally eat some fruits.

Females, once they are fertilized, will burrow into the ground to find the perfect conditions for a nest. After the eggs have been laid, the mother disguises the nest with soil and debris and waits for the young to emerge. It takes quite a while for hatchling Grand Cayman iguanas to open their shells and climb out, but once they are free of their shells and have regained their strength they dig straight out through the soil and begin foraging for food.

Grand Cayman iguana
© MSA 2005

Range: Grand Cayman Island
Habitat: tropical dry forests
Range Map
African pancake tortoise
African pancake tortoise
Malacochersus tornieri
Aldabra tortoise
Aldabra tortoise
Geochelone gigantea
Alligator snapping turtle
Alligator snapping turtle
Macroclemys temminckii
Australian snake-necked turtle
Australian snake-necked turtle
Chelodina longicollis
Black ratsnake
Black ratsnake
Elaphe obsoleta (obsoleta)
Boa constrictor
Boa constrictor
Boa constrictor
Brazilian rainbow boa
Brazilian rainbow boa
Epicrates cenchria (cenchria)
Burmese python
Burmese python
Python molurus (bivittatus)
Cottonmouth
Cottonmouth
Agkistrodon piscivorus
Cuban crocodile
Cuban crocodile
Crocodylus rhombifer
Eastern box turtle
Eastern box turtle
Terrapene carolina
Emerald tree boa
Emerald tree boa
Corallus caninus
Emperor newt
Emperor newt
Tylototriton shanjing
European glass lizard
European glass lizard
Ophisaurus apodus
Everglades ratsnake
Everglades ratsnake
Elaphe obsoleta rossalleni
Eyelash palm pitviper
Eyelash palm pitviper
Bothriechis schlegelii
Florida softshell turtle
Florida softshell turtle
Apalone ferox
Gaboon viper
Gaboon viper
Bitis gabonica
Gharial (Gavial)
Gharial (Gavial)
Gavialus gangeticus
Gila monster
Gila monster
Heloderma suspectum
Grand Cayman iguana
Grand Cayman iguana
Cyclura lewisi
Greater siren
Greater siren
Siren lacertina
Green anaconda
Green anaconda
Eunectes murinus
Green iguana
Green iguana
Iguana iguana
Green tree python
Green tree python
Morelia viridis
Inland bearded dragon
Inland bearded dragon
Pogona vitticeps
King cobra
King cobra
Ophiophagus hannah
Leopard gecko
Leopard gecko
Eublepharis macularius
Mangrove snake
Mangrove snake
Boiga dendrophila
Matamata turtle
Matamata turtle
Chelus fimbriatus
Northern blue-tongued skink
Northern blue-tongued skink
Tiliqua scincoides
Northern pine snake
Northern pine snake
Pituophis melanoleucus
Oriental fire-bellied toad
Oriental fire-bellied toad
Bombina orientalis
Red-tailed ratsnake
Red-tailed ratsnake
Gonyosoma oxycephala
Timber rattlesnake
Timber rattlesnake
Crotalus horridus
Tokay gecko
Tokay gecko
Gekko gecko
Veiled chameleon
Veiled chameleon
Chamaeleo calyptratus
White's tree frog
White's tree frog
Pelodryas caerulea
?
Snake Habitat
?
Lizard Defense
?
Snake Skin
?
Reptile Diet
?
Crocodilian
?
Reptile Moves
?
Gharial Conservation
?
Zoo Breeding
?
Crocodile Conservation
?
Reptile Vision
?
Boas
?
Iguana Conservation
?
Constriction
?
Reptile Conservation
?
Venom
?
Turtle Conservation
?
Amphibian Conservation
?
Aldabra Tortoise
?
Water Quality
?
Quiz

 

Squares link to animal fun facts.
Question marks link to more on reptiles and amphibians.