TV presenter Packham revealed it was his pet poodles who helped him get through some of his darkest times, when he wanted to end his life.
It comes as new data reveals one in five dog owners say their pet is so important to their mental health it has saved their life.
Half of owners – 50 per cent – say their pet gives them a reason to keep going.
And 84 per cent turn to their dog first for comfort during tough times.
Online marketplace Rover.com has joined forces with Mental Health Mates to launch a series of mindful dog walks across the UK.
They hope these will highlight the role pets play in supporting emotional wellbeing.
The survey of 2,000 dog owners reveals just how much they turn to their pet while navigating mental health struggles, coping with grief, or bouncing back from burnout
One in five (21%) believe their dog has saved their life after significantly improving their mental health.
Chris Packham is supporting the campaign while sharing his own story.
He said: “There have been moments in my life when I was in crisis and wanted to end my life – and it was my poodles who got me through.
“They didn’t just offer comfort, they offered connection, purpose, and a reason to carry on.
“When everything else felt distant, they were there.
“Dogs don’t judge, they just love and listen – and sometimes, that’s exactly what saves you. Dogs are life support for people in crisis.”
Chris’ experience reflects that of many dog owners.
In fact, the research shows the vast majority (97%) say their pooch can tell when they’re feeling low, with 41 per cent believing their pet is more attuned to their feelings than most people.
Three quarters (75%) say their four-legged friend sticks extra close to them when they’re going through difficult times.
Two thirds (62%) say the quiet companionship makes a heavy day feel lighter, and also welcome the wagging tail that greets them at the door (40%).
Rover is encouraging dog owners to bring their canine companions along to one of the selected free Mental Health Mates walks, the nearest taking place in Hingham's Park in London.
Bryony Gordon, founder of Mental Health Mates, said: “We know that getting outside, moving our bodies, and connecting with others can have a profoundly positive effect on mental wellbeing.
“When you add dogs into the mix, that impact is even greater.
“Dogs provide us with love and connection.
“Our partnership with Rover will help more people access these benefits, bringing communities together to support each other in a safe and welcoming space.”
