An adorable mastiff from the RSPCA's Southridge Animal Centre is among a host of big breed dogs who are having to wait twice as long to be rehomed.

Figures from the animal charity have revealed large dogs take on average 60 days to find a new home, compared to 39 days for medium-sized dogs and 33 days for small breeds.

Among the dogs the RSPCA is desperate to find a loving home for is five-year-old mastiff Nina, who has been at Southridge, near Potters Bar, for the last 18 months.

Welwyn Hatfield Times: Nina is among a number of large dogs awaiting adoption.Nina is among a number of large dogs awaiting adoption. (Image: RSPCA)

"Nina may be a big girl at 110lbs, but she’s also got a big heart," said a member of staff from RSPCA Southridge.

"She’s very sweet and loves affection from the people she knows and trusts. You soon become her best friend after some fun games with her favourite toys and some treats.

"She walks nicely on the lead, but can be strong and sometimes reactive around certain other dogs. Her history is unknown so staff feel she’d be best going to an adult home where she’ll be the only pet."

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Welwyn Hatfield Times: Nina loves to play and is described as very sweet.Nina loves to play and is described as very sweet. (Image: RSPCA)

Esme Wheeler, a clinical animal behaviourist and RSPCA dog welfare expert, added: "At the RSPCA, we love all creatures, great and small. And as a nation of dog lovers, we all adore our dog pals, whether they’re as big as a horse or as small as a guinea pig.

"But there can be some differences between taking care of gentle giants and cheeky miniatures when it comes to their day-to-day needs - so it’s important to take time as a family to consider what type and size of dog might suit your lifestyle, and what costs will be associated with their care.

"Taking on any dog is a huge commitment, in terms of both time and money, so it’s really important to go into it with your eyes open as to how much it could cost.

"However, adopting a dog is one of the most rewarding experiences you can have so if you’re thinking of getting a pet, then please consider adopting a rescue."

Welwyn Hatfield Times: Could you be the loving home Nina needs?Could you be the loving home Nina needs? (Image: RSPCA)