Birds preen, cats groom, but how many creatures out there trim and twirl? Quite a few, apparently, as our not-so-scientific research has shown. During the month of November, many a prepossessed pet may display its mustachioed support for Movember, a campaign aimed at raising awareness for men's cancers, but several animals showcase their impressive 'staches year-round. Is your lip twitching to find out who falls under the handle(bar) of "best groomed"? Today, we bring you seven animals showing off their whiskery best.