The Aztec thrush
The black-footed ferret
Signs of intelligence from Joe Biden
(Actually, that last one may be purely mythical, like the unicorn or the basilisk).
"There are countless horrible things happening all over the world and horrible people prospering, but we must never allow them to disturb our equanimity or deflect us from our sacred duty to sabotage and annoy them whenever possible." -Auberon Waugh