Secret Life Of The Cat

50 domestic cats in the Surrey Hills were equipped with GPS trackers and researchers recorded their movements  over six 24-hour periods. Micro-cameras were attached to a selection of cats to film their activities.
Track the movements of Ginger, Chip, Sooty, Orlando, Hermie, Phoebe, Deebee, Kato, Coco and Rosie on an interactive map.

"We saw evidence that some cats appeared to 'timeshare' territory - roaming outside at different times to avoid meeting or coming into conflict with other cats”

Read more at here and here.