A new fitness tracker for dogs is designed to reveal the secret life of your pet - from distance walked and calories burned to every scratch, snooze and bark.

The Animo device clips to a dog's collar, records its activity and sends a daily break-down to the owner's phone.

Renowned animal behaviourist Mark Vette - who famously taught a dog to drive a car and another to fly a plane - said the devices are more than just a Fitbit for pets.

He has the collar-based discs on four of his dogs and said they had been a handy tool