Cats are at a crucial point in their evolutionary journey as they transform from solitary hunters to domestic pets, a study by the BBC and the Royal Veterinary College has revealed. Our felines are adapting quickly to life in densely-packed cities, changing their behaviour to fit in with our 21st Century lives. They are time-sharing territory with other cats, killing less prey and learning to communicate with each other and people, research for BBC Two's Cat Watch 2014 found. Here is how our felines experience the world.