15 Little-Known Details About Iguanas

#7 Adult males have gray-green scales, a throat sac, and long, curved spikes on the back along the spine.

#8 Adult females have a lighter, more delicate physique than the male, the spines on the back and the throat sac are smaller.

#9 The iguana’s claws are very long and bent, help to hold tightly on the branch. The female uses them for digging.

#11 They can fall over long distances (up to 15 feet) without harming themselves.

#12 Iguanas are able to pick up the lightest sounds (from 0.5 to 3 kHz.

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