This is the moment a one-eyed black cat and a tabby leap up from their slumber and squeal with delight as soon as a tin of food is presented to them.
Adorable footage shows the pair, called Guts and TT, snuggled on a chair, sofa and even the carpet suddenly awaken when they hear the tin’s ring-pull.
Captivating Instagram footage, believed to have been filmed in China, shows the two little friends slumbering comfortably on a soft sofa.
The one-eyed black cat, Guts, and the grey tabby, TT, jump up from their slumber after the owner snaps the pull ring on their tin of food
The pair were offered food by their owner on the sofa, chair and the carpet. They are believed to be living in China
Then, as the owner snaps the tins ring pull, they both jump up and start mewing, entranced by the prospect of a meal.
A second clip shows the pair curled up together on a chair before bouncing up when they hear the ‘sound of cat food’.
They are behaving in a similar way to the dogs in an experiment by 19th century scientist Ivan Pavlov, which gave us the phase ‘Pavlov’s dog’ to explain simple conditioning.
TT was also offered food while she was sleeping on the carpet, alerted to it by the sound of the tin lid snapping
The owner posts about the cats’ adventures on Instagram
After noticing that the animals started salivating whenever they heard his assistant, who usually brought the food, Pavlov tried to train them to respond to a particular sound.
The Russian scientist started ringing a bell and bringing the dogs food at the same time, so that they learnt to associate the sound with food.
Then he found that, when he only rang the bell, the dogs still started to produce saliva.
They had learnt to associate the sound with food, a bit like the cats and the sound of a snapping ring-pull on a cat food tin.