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How can the North American water shrew run across the surface of water?
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shrew
Water shrew (Neomys anomalus).
The North American water shrew (Sorex palustris) is able to skitter across the surface of the water by utilizing air bubbles that become trapped in its feet and toe fringes. This unique adaptation allows the shrew to remain supported on the water's surface while it forages for food or seeks to escape predators.1