One researcher just determined that African and Indian elephants make each other sick. When a new animal or plant is introduced to a habitat bad things happen. The biggest danger to native wildlife is foreign wildlife.
I usually just have one cat. It is difficult, but I have my one cat that he'll travel with me if it's appropriate, if I'm not going overseas.
I started running away when I was five years old. It wasn't until I was an adult that I realized what I really wanted was somebody to come after me when I was running away.