A boredom epidemic is sweeping through Britain’s dog population – and global warming could be to blame.

Across the country, there are reports of down-in-the-mouth mutts, and under-the-weather canines.

Leading pet behaviourists told The Independent that the number of depressed and unsettled dogs they have seen in recent months is unprecedented.

And they suggested that the spate of wet winters could be at the root of the problem, as owners cut down on the daily walks that are crucial to keeping dogs’ spirits up.