American alligators are predators with many special adaptations for hunting in dark waters. They see underwater by closing their clear, third eyelid (called a nictitating membrane) that acts like a built-in goggle. They have eyes and nostrils on the top of their heads so that the rest of their body can be hiding underwater like a submarine using its periscope.
Manouria emys The largest tortoise on the Asian mainland, this species prefers rainy habitats where the humidity remains high. Although not particularly social, the…
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