But can they fly fish?
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Pig catches fish
A pig in China has started to catch fish from a pond for its supper.
Han, the pig's owner, created a small pond for breeding tropical fish, at her home in Dahangou village, Zhenping.
She gave up on the venture when the market price for the fish dropped - but found she still had one eager customer.
"I was amazed to see that the pig I raised is helping himself to fish from the pond," she told the Eastern Asia Trade and Economic News.
"It steps into the shallow water, catches fish in its mouth and happily eats them on the spot."
Han said she was happy for the pig to help itself to the fish rather than let them go to waste.
"Maybe it just decided it wanted a bit more protein in its diet," she added.
