Quick answer: Breeding-related behavior can make visual displays and territorial interactions more conspicuous, especially in mature animals.
ContextReproduction
Common signalsHead & dewlap displays
RelatedTerritoriality
InterpretationAge and sex matter
Behavior changes with context
Reproduction changes the incentives around spacing, courtship and competition. Behaviors that appear occasionally at other times may become more frequent or intense.
Displays
Head movements, dewlap extension, posture and coloration can all become part of reproductive interactions.
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Nesting
Females of green iguanas dig nest burrows for eggs. In the wild, suitable nesting substrate and location are therefore important parts of reproductive ecology.
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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.