What does a cat do when nobody's looking? Another way is to put little video cameras on cats' collars, set the animals loose and examine hours and hours of footage. Huck emphasised, however, that she did not have enough footage to draw broad conclusions about house cat hunting rates. "But Huck said she felt confident she could distinguish cat sleep from cat rest. "Especially if one has watched hundreds of hours of cat footage."
Source: Stuff June 08, 2019 05:15 UTC