From http://prokopetz.tumblr.com/post/152446299407/ive-seen-a-lot-of-videos-going-around-of …pic.twitter.com/zOjiyOIlTc
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Exceptions for "wild" pops that have been successfully interacting w/ humans for food rewards for generations, e.g. on college campuses