Memecio
@memecio
Evolució cultural
ID: 124698184
http://memecio.blogspot.com 20-03-2010 07:45:11
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This isn't a trained trick, this is a wild transaction. Sea Otters carry "favorite rocks" in their armpits to crack open clams. This otter realized that humans value "things," so he offered his prized possession, a perfect white stone, in exchange for a high-value item, a fish.