Sunday Sketch: Protect your Noggin

Some animals have built-in armor. Some create their own! Octopus living on sand flats in Indonesia find and use coconut shells as an armored mobile home! Planning ahead, they will carry around 2 pieces and enclose themselves inside to ambush prey or hide from potential predators.

Sketch and fact contributed by Karli Chudeau

[Edited by Adrian Perez]

Source: Finn, J. K., Tregenza, T., & Norman, M. D. (2009). Defensive tool use in a coconut-carrying octopus. Current biology19(23), R1069-R1070.

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