Little foxie in the rain! 

pic.twitter.com/CzUfgXzcFm
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
You sometimes, if you're lucky, see packs of them. I think the most I've seen in one night walking home in north east London was 7 some in
small groups, many alone.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.