Iguana GuideQuick answer: Wild green iguanas feed mainly on plant material such as leaves, shoots, flowers and fruit. Opportunistic animal matter has also been documented, so “herbivorous” should not be turned into an absolute claim.
Main patternPlant-based
FoodsLeaves, shoots, flowers, fruit
JuvenilesMay take insects
ContextWild ecology
The main dietary pattern
UF/IFAS describes green iguanas as largely herbivorous. Tender shoots, flowers, fruits and other vegetation form much of the diet.
Exceptions exist
Juveniles have been observed eating insects, and other animal material has been documented. Those observations do not overturn the broad plant-eating pattern.
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Species matter
Marine iguanas are a striking contrast because they are specialized to feed on marine algae. A good answer to “what do iguanas eat?” therefore begins by identifying which iguana.
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Keep exploring
Iguana facts become more useful when anatomy, behavior, species and habitat are connected instead of treated as isolated trivia.
Sources & further reading
Core factual claims on this page were checked against these references.
Health boundary: Iguana Guide explains natural history and responsible ownership. It does not diagnose illness or provide treatment instructions.