They're only about three inches long and weigh barely one ounce, according to experts at the Birmingham Zoo. That means vampire bats can survive on just two tablespoons of blood each day. Vampire bats are also social animals, living in colonies with as many as 2,000 individuals. They help each other by grooming and sharing food. Those that don't share don't get as much help.
Dogs are territorial.
Even the most docile pet can be disturbed by people in costume, which could cause them a problem and then, in turn, you have a problem. A second point has to do with safety for the animal itself. It's become very commercialized, from greeting cards to party supplies to scary movies, it's another occasion to get together and have a good time. Borah says popular costumes this year will include movie characters, pokeman and of course, Harry Potter. The older kids may love a good scare on Halloween, but the terror can be very real for small children under age five.