Bharatiya Janata Party (BJP) national unit chief, Amit Shah likened all Opposition parties to animals, like cats, dogs, snakes, rats and mongoose. Now all these parties are calling for unity to fight polls. They behave like cats, dogs etc., during a flood, all which flock on to an oak tree, to avoid being washed away, he pointed out. The party president was addressing at a workers' meeting in Mumbai, on the occasion of 38th Foundation Day of BJP. Several Union ministers and Maharashtra chief minister, Devendra Fadnavis were present.