Marine iguanas are often preyed upon by Frigatebirds.
snakes, hawks, predatory fish
they hide under borrows and drop their tails in a defense tactic
GREEN Iguanas have a whole host of predators that prey on them. Baby iguanas are pray for jungle cats, birds, turtles and even large fish. Large iguanas are pray for boa constrictors, caimans, hawks and eagles.
Iguanas mostly. No other bug will try to harm it.
It really depends on the animal, Some animals depend on camoflage to hide from its enemies.
They don't change color like achameleon but they do blend in quite well with colors closest to their skin tone. for instance, green iguanas hide better in leaves, and red iguanas hide better in dirt. it's not that they TRY tocamouflage they just like to go to places where they naturally blend in.
hide
in their shells
it changes its color
they run away.
they will make their cocoon