Which of the following represents a crime involving animals?

Animal cruelty represents a crime involving animals as it directly pertains to the mistreatment or harm inflicted upon animals. This can encompass a range of behaviors, such as neglecting an animal's needs, causing physical injury, or forcing animals to participate in harmful activities. Laws regarding animal cruelty aim to protect the welfare of animals, making it a significant ethical and legal issue.

In contrast, burglary refers to unlawfully entering a building with the intent to commit a crime, typically theft, and does not specifically involve animals. Robbery involves taking property from a person with intent to permanently deprive them of it, which also does not pertain to animals. Fraud involves deception for personal or financial gain, without any direct relevance to animal welfare or treatment. Therefore, among the options, only animal cruelty distinctly addresses criminal acts involving animals.