In 2011 the RSPCA dealt with 116 complaints regarding abandoned horses in the east region.
Sitting in London, the judge rejected the RSPCA's application for a full review hearing.
The RSPCA said it was believed the group had brought the ponies to the lake.
The RSPCA wants to trace the pony's owner to hear their version of events.
Dead birds have been washed up on beaches in Devon and Cornwall, the RSPCA has said.
The RSPCA's report catalogues the incidents of animal neglect and abuse the charity investigated.
The RSPCA were unable to catch the female swan, who died two days later.
The fire service said it was called by the RSPCA as the bird was in distress.
Numbers had dwindled, with suspicions the birds had been "stolen or harmed" prompting an RSPCA investigation.
BBC: Chickens on "chicken roundabout" at Ditchingham, Norfolk
Some mares are pregnant and the RSPCA says it is extremely concerned about their welfare.
Although regulated by the RSPCA, the centre only receives minimal financial support from it.
The RSPCA said it had already found new homes for five dogs and five cats.
Police and the RSPCA are now appealing for help in finding the horse's owner.
The joint operation by police and the RSPCA follows an investigation into badger baiting.
BBC: Badger baiting raids: Three men arrested and dogs seized
He was handed to the care of the RSPCA, who traced Wensley's owner from his microchip.
"The RSPCA has rightly built its reputation on dealing with animal welfare issues, " sad the MP.
The RSPCA has called for anyone with information about the Pwllheli incident to contact them.
The RSPCA confirmed the animal as a coati after viewing material from another source.
BBC: Ramblers spot coati on woodland walk in Buckinghamshire
Anyone with information about Floyd is asked to contact the RSPCA's 24-hour cruelty line.
An RSPCA spokesman said seals sometimes swim upriver following fish when there are peak high tides.
None of the animals could reach their drinkers in the vehicle, the RSPCA said.
An RSPCA spokesperson said the group had lined up three ponies and encouraged them into the water.
It's being led by the RSPCA, with a separate internal disciplinary investigation going on in the force.
"Unfortunately, due to their extremely poor condition, they have been put to sleep, " an RSPCA spokesman said.
The ferret is now being looked after at the RSPCA's Bryn-y-Maen Animal Centre in Upper Colwyn Bay.
The RSPCA is calling for the Becher's Brook fence to be scrapped from the Grand National course.
"We trust the racing authority will deal appropriately with the jockey, " the RSPCA spokesman told BBC Sport.
BBC: SPORT | Other Sport... | Horse Racing | Probe into jockey 'butt' on horse
Animal welfare groups such as the RSPCA and the Kennel Club support the ban on shock collars.
The cases have been highlighted during RSPCA Week, the charity's major fundraising push which runs until 5 May.
However, seven of the 11 birds taken to the RSPCA's Mallydams Wood wildlife centre in Hastings have survived.
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