Barry Brecheisen/Barry Brecheisen/Invision/AP

Could this cat be enjoying "Spook's Ditty"? iStockphoto.com hide caption

itoggle caption iStockphoto.com

Lori Piper, right, and Aleks Gramza treat Bart on Tuesday at the Humane Society of Tampa Bay. Bart was hit by a car, buried and apparently crawled back to his owner five days later. Danyelle Ho/AP hide caption

itoggle caption Danyelle Ho/AP

Miami-Dade County's animal shelter takes in more than 28,000 dogs and cats each year. In 2012, the county adopted a resolution that the shelter would become a no-kill facility. But even no-kill shelters can euthanize up to 10 percent of their animals. Greg Allen/NPR hide caption

itoggle caption Greg Allen/NPR

Veterinarian Vint Virga says that animals in zoos, like this lion, need to have a bit of control over their environment. iStockphoto hide caption

itoggle caption iStockphoto

An image taken from a video posted by Roger Triantafilo shows a dog closing in on his son Jeremy earlier this week. The family's cat fought off the dog after it bit the 4-year-old boy. YouTube hide caption

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Brazil's General Superintendency of Prisons of Alagoas (SGAP) released this photo last Dec. 31 of a cat caught with contraband taped to its body at a medium-security prison in Alagoas state. /AP hide caption

itoggle caption /AP