Fire ants have developed a natural defense mechanism to protect their colonies from drowning whenever it floods. Each ant has a waxy exterior that can expel water. When floodwaters come, they will link their legs together to form a raft and float downstream to a dry location. Then they unlock their limbs and disperse in order to gather the materials they need to rebuild a new colony.

...
From time to time the howls
Of animals in the zoological
Department reach my ears

...

W. G. Sebald, "The Sound of Music"

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