In the comments, viewers have shared their own stories of ageing pets, many admitting they'd never noticed the change until it happened. Videos like this often hit hardest because they're so personal.

The black-and-white, mixed-breed dog was very smart ... The mini sheepadoodle who looks like a real-life version of Charlie Brown's dog Snoopy.

In 2015, a brown and white puppy with floppy ears wandered onto ... Bodin Allen lost under a full moon in the high desert. That dog, Buford, got famous this week after shepherding Bodin to Dawn ...

A male pit mix with a grey and white coat was discovered on Laing Street.The dog was wearing a brown leather collar that is ...

"Your scent on these items helps your dog to feel close to you. Socks, pants, and shoes are all fair game!" A stock image of a white and brown dog looking into the camera while leaning against a ...

Despite Trooper’s health scares, the roughly 5-year-old dog, who has a brown spot above his right ... He thought of Diesel, his former white bull terrier who carried his stuffed fish everywhere ...