Costa Rica Species
Iguana iguana
AnimaliaIUCN LCIn Progress Recent Sighting

Iguana iguana

Green Iguana

Linnaeus, 1758

Detailed Texts Multi-lang
The green iguana is one of the largest lizards in tropical America. It has a crest of dermal spines and a large subtympanic scale.

Added by

Gerardo Venegas

Reviewed by

Under Review

Last modified by

Gerardo Venegas

Other Names (Global)

flagCommon green iguanaflagAmerican iguanaflagIguana verdeflagGarroboflagGallina de paloflagIguana común

Taxonomy

PhylumChordata
ClassReptilia
OrderSquamata
FamilyIguanidae
GenusIguana
Taxonomic AuthorityLinnaeus, 1758

Ecology & Status

Origin

Native

Population Trend

Decreasing

Breeding Season

Year Round

Trophic Role

Herbivore

Recent Sightings

Yes

Habitat Summary Multi-lang

Inhabits tropical ecosystems such as mangroves and gallery forests, always near bodies of water to take refuge.

Behaviour Multi-lang

It is a diurnal and arboreal reptile that uses behavioral thermoregulation, spending hours in the sun to reach its optimal temperature.

Social Activity Multi-lang

Lives solitarily, although juveniles may form temporary groups (crèches). Males defend territories during reproduction.

Feeding Guild Multi-lang

Folivorous herbivore; it possesses symbiotic bacteria to ferment cellulose. Juveniles may occasionally consume insects.

Trophic Chain Details Multi-lang

Primary consumer serving as prey for birds of prey, snakes, and medium carnivores. Contributes to seed dispersal.

Reproductive Behaviour Multi-lang

Oviparous. Females undertake migrations to dig nests in sandy soils and deposit up to 71 eggs.

Physical Measures

Length (cm)

30.0 - 200.0 cm

Weight (Grams)

1.50 kg - 8.00 kg

Offspring per cycle20 - 71
Sexual DimorphismYes

Lifespan

Sexual Maturity

18 - 36 Months

Gestation / Incubation

65 - 90

Lifespan Estimated
Males15 - 20 Years
Females15 - 20 Years

Sexual Dimorphism

Males Multi-lang

Adult males are significantly larger and more robust than females, with more developed crests and dewlaps.

Females Multi-lang

Females are generally smaller and often present less striking colorations and reduced crests.

Evolutionary Adaptations Multi-lang

Caudal autotomy: it can shed its tail to distract predators.
Parietal eye: detects light changes and movement from above.
Exceptional swimming ability: swims with lateral tail movements.

Main Threats Multi-lang

Illegal hunting and human consumption of adults and eggs.
Loss of riparian habitat due to deforestation of riparian zones.
Illegal trafficking for the international pet trade.

Interesting Facts Multi-lang

Known in Central America as 'chicken of the trees' because of its meat flavor.
Juveniles form groups called crèches for mutual protection.

Image Gallery

External References

  • [https://www.iucnredlist.org/species/174302/1414031](https://www.iucnredlist.org/species/174302/1414031)