This bunny, who holds the Guinness World Record for world's longest rabbit, is partying like an animal today because... it's his birthday! Darius, a 4-feet-long continental rabbit, turns 5 today, his owner Annette Edwards, 63, of England, told ABC News today. "I'm probably going to let him have extra nice carrot treats," Edwards said. "He just loves the carrots with the yummy green tops." Edwards also takes care of Darius' son named Jeff. He's only a year old, but he's already 3-feet-8-inches long, and Edwards thinks Jeff could outgrow Darius. "I spend over 5,000 euros for the both of them...