The former glamour model has been criticised over the years for the amount of pets to have reportedly died in her care.
The Springwatch presenter announced his new appointment as the charity prepares to celebrate its 200th anniversary in 2024.
The RSPCA said there have been 17,000 complaints.
A pet owner said her cat is one of 13 poisoned in the town of Flint in North Wales.
The chocolate-coloured cockapoo was rushed to the vets after being abandoned.
The dogs' owner was convicted of causing unnecessary suffering to the two animals.
The three puppies were found suffering from sarcoptic mange – a parasite that causes intense itching and leads to loss of fur.
The RSPCA has launched an investigation and is urging people not to use glue traps to catch any animals.
The RSPCA said the sheer number of dogs meant the owner was struggling to meet their basic needs.
The animal was removed by the RSPCA animal charity.
Shahzeeb Shazad Khan has been jailed for eight weeks and banned from owning animals for life.
The animal welfare charity expressed concern the new show may 'fuel the illegal puppy trade'.
The show has frequently found itself on the receiving end of criticism for its use of animals.
The animal charity said the show had incidences where animals had been killed 'for no other purpose than entertainment'.
Charity pleads for animal-lovers to protect their pets as the UK faces the hottest day of the year so far.
Everything you need to know about what you should do if you see a dog locked in a car, as researchers warn that dogs can get too hot in cars all year round.
The RSPCA and police have called on anyone with information about the alleged incident to come forward.
The RSPCA is looking for the owner of the dead animal.
The 13 royal pythons were dumped behind Farringdon Fire Station in Sunderland, Tyne and Wear, inside pillowcases.
TJ Gregory and Sarah Henniker left the two pugs Millie and Tito inside a tent for eight hours when temperatures had risen to 34C.
The video footage shows RSPCA rescuers chasing the fox around the sewage treatment works in Barrow, Cumbria.
The dog was found abandoned near woods in in Albrighton, Shropshire, with its bones protruding.
Shocked RSPCA inspectors found Smiler the American Bulldog barely conscious in a pool of blood in a bath in Keighley, West Yorkshire.
Clive Elliott, 40, was convicted in his absence at Swindon Magistrates' Court after the greyhounds were found starving, with the body of one stuffed in a freezer.
Its pregnant mother was tossed over a carpark fence in Stockport, Greater Manchester.