Eat Pigeon!

2000 years ago people carved pigeon farms out of stone. If you're hungry in the city why not manage and utilize what's available instead of looting a failed system. Bet Guvrin Caves – Israel Parks | Holy Exposures

http://holyexposures.com/wordpress/2007/12/25/bet-guvrin-caves-israel-parks/

Industrious cave dwellers huh? Reliance on ones effort seems to be underrated.
You can buy a half of one for $11.50! if you want...
http://meatmeister.wordpress.com/ 

... go ahead make a reservation a month ahead of time and visit The Canteen in San Fransisco... OR... Grab a couple in the park and feed them grain for a few weeks until they're fat and clean. 

 http://www.tvgasm.com/newsgasms/mike_tysons_reality_show_is_in/
If Mike Tyson can figure it out so can you.