Dolphin Moms Teach Daughters to Use Tools
Dolphin Moms Teach Daughters to Use Tools
James Owen
for National Geographic News
June 7, 2005
When researchers first saw something strange on the snout of a dolphin in Shark Bay, Western Australia, they thought it was a massive tumor. Now they say it provides the first evidence of a tool-use culture in marine mammals.
The object turned out to be a marine sponge broken off from the seabed. Later other bottlenose dolphins in Shark Bay were observed holding sponges over their beaks, and appeared to use them as a fishing tool.
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