Caged pets are animals that are kept in enclosures or cages for the purpose of companionship, entertainment, or protection. The three caged pets mentioned in this crossword are hamsters (7 letters), gerbils (6 letters), and parakeets (9 letters). Hamsters are small rodents that are often kept as pets due to their docile nature and low maintenance requirements. Gerbils are also small rodents that are popular as pets due to their playful and social behavior. Parakeets are small, colorful birds that are kept as pets for their singing and talking abilities.