Cats are among the most popular pets around the world. (petbouncedirect.com)
Russian dwarf hamsters are becoming more popular as pets around the world because they are easy to maintain, care for and inexpensive to keep. (russiandwarfhamster.org)
The reason he did not is one of the most important medical breakthroughs in modern history, and it's why there are so many dogs as family pets around the world today. (cesarsway.com)