(none) 38.103.63.16 /birdcare/newbird.html ubergoth.net CCBot/1.0 (+http://www.commoncrawl.org/bot.html) 404
You lost?
Best let the owner of the refering link that whatever they've got isn't valid anymore.
If it was a link from one of my own pages, don't bother, as chances are I know it's broken and I really don't care.