A beautiful and rather vocal African grey named Einstein celebrated her 30th birthday at the Knoxville Zoo by demonstrating some of her favorite impressions while being fed a steady stream of sunflower seeds in between. Encouraged by her human keeper Adam Patterson, Einstein happily barked like a dog, whispered a secret, booed like a ghost, blew a kiss and said goodbye to all the nice folks.
Zoo Knoxville African Grey parrot Einstein turns 30, shows her amazing impressions
