Intertidal zones lie on the shore between the high and low tide marks. Rocky shores, mudflats and sandy beaches all fall within this area. The animals and plants that live here need to be able to cope with being both submerged in salt water for part of the day and exposed to the sun for the rest of it. Those that are able to survive in these extremes also need to be wary of a multitude of hunters and scavengers, from foxes and otters to lizards and flocks of birds.

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