Ya See that Fence Down There?

This carpenter walks into the neighborhood pub, and orders a whiskey.

"Ya see that fence down there? I built it with my own two hands. Drove every post, even cut the lumber by hand, but do they call me 'Mac the Fence-Builder'? No."

He downs the whiskey and orders another. "Ya know that pier on the lake?" He continues, "I built that, too. Dove under water to lay the foundations, laid down every single plank! But do they call me 'Mac the Pier-Builder?' No."

"But ya eat ONE pigeon ..."