Man is a tool-using animal.
Thomas Carlyle (1795-1881)
The octopus Amphioctopus
marginatus in its shelter of coconut shells. From Figure 1 in Finn et al.
*Julian K. Finn, Tom Tregenza, Mark D. Norman. Defensive tool use in a coconut-carrying octopus. Current Biology - 15 December 2009 (Vol. 19, Issue 23, pp. R1069-R1070). Abstract & open access pdf. Don't forget to watch the movie!