Iguana GuideQuick answer: Iguanas may dig to use or create shelter, and females of egg-laying species such as green iguanas dig nest burrows.
Nesting
Female green iguanas excavate nesting burrows in suitable substrate.
Shelter
Burrows can also provide refuge from environmental extremes and disturbance.
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Why Florida notices
In introduced Florida populations, concentrated digging can contribute to erosion around canals, levees and seawalls.
Captive context
Unexpected digging in a mature female should be interpreted with reproductive biology in mind. Husbandry questions involving egg laying warrant qualified reptile-veterinary guidance.
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Keep exploring
Use the related guides to connect this topic with species, behavior, anatomy and habitat rather than treating it as an isolated fact.
Sources & further reading
Key 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.