The Secret Life of Cats takes a whimsical but tough look at the darker side of our feline companions and their impact on wildlife throughout the world. From the county parks of Miami to the outback of Australia, domestic cats and their feral cousins are stalking some creatures to the brink of extinction. In the time it takes to watch this film, cats in the US alone will catch as many as 100,000 small mammals and more than 300,000 birds. "It's 9pm. Do you know where your kitty is?"