Over one in 10 Britons refuse to purchase a black cat or dog due to superstition.

A survey of 2,000 adults revealed that 12% believe pets of this colour bring misfortune and would actively choose to avoid adopting one. 

The research, commissioned by Lottoland in partnership with Blue Cross, found that a quarter of adults are 'very' or 'somewhat' superstitious. And according to extra data from the charity Blue Cross, black cats and dogs take longer to be adopted than other animals, potentially due to these national superstitions.

A representative from Lottoland said: "Superstitions have been a part of human culture for centuries, passed down from generation to generation. At their core, they often stem from a need to make sense of the unknown and to seek control in situations where we might feel powerless."

It appears that superstition is not uncommon among Brits, with a third fearing breaking a mirror and 14% never spilling salt without throwing some over their shoulder afterwards.

Almost a third of those who follow superstitions have passed on one of their behaviours to a family member or friend.

Mary Haisman, head of corporate partnerships, community and events at Blue Cross, added: "There's no reason to let outdated superstitions stop you from welcoming a black dog or cat into your home."

She adds: "Black pets are just as loving, loyal, and deserving of a home as any other animal, and it's unfortunate that these superstitions can sometimes prevent them from finding families.

"For example, it takes an extra five days and £50 more on average for us to find loving new homes for black cats, compared to others in our care.

"This is Pablo, who I adopted from our Blue Cross Devon site. He was a long stay pet, in our foster care for over five months, sadly not being able to find his forever home.

"The length of time both black dogs and cats remain in our care on average is typically longer he's the sweetest boy, I am genuinely surprised he wasn't rehomed quicker.

"Whilst we cannot know for certain, the suspicions were that it took so long because he's a black dog, but I honestly can't think of any other reason. He has the sweetest temperament, gives our family endless love, and is such an important part of my life."