Oakland Zoo animals hold their own ‘yawn challenge’

Various animals throughout the Oakland Zoo can’t help but let yawns slip as the day goes on — and you will be tempted to join in on the sleepy challenge!Various animals throughout the Oakland Zoo can’t help but let yawns slip as the day goes on — and you will be tempted to join in on the sleepy challenge! Read More66fc9f67-606e-5b99-9de6-1a846bcffd04, fnc, Fox News, primary_lifestyle, 3play_sameday, viral_acq, science|wild_nature, video The Latest & Breaking Videos on Fox News