The phrase "animal kingdom" refers to all the different species of animals that exist in the world. It includes a wide variety of creatures like mammals, birds, reptiles, fish, insects, and more. Full definition
I guess that rules out about 90 % of the world's population and the entire animal kingdom. (religion.blogs.cnn.com)
Just like predators in the wild animal kingdom who select prey that will be the easiest to bring down, violent criminals go through a similar process when choosing their victims. (realtormag.realtor.org)
This tall, cuddly safari creature will transform your child's room into a fun animal kingdom. (potterybarnkids.com)