By John McDevitt

PHILADELPHIA (CBS) — The two abandoned, malnourished horses found in North Philadelphia on Wednesday are now being cared for by a Bucks County animal rescue.

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The black mare believed to about 5-years-old is being called Tonto. The chestnut gelding is in his 20s. He’s being called Old Man.

They’re now being nursed back to health at the Last Chance Ranch Animal Rescue in Quakertown.

“Once we get them back up to health we will evaluate them for their riding and their manners and their trainability,” says Lori McCutcheon, president and founder of the non-profit. “From there we find them new homes, and hopefully the new homes will keep them forever and take care of them, and we make sure we do a follow-up program where nothing bad ever happens to these guys again.”

McCutcheon says the horses are not out of the woods yet, but she’s hopeful they will become healthier in the next few weeks.

Meanwhile, the Pennsylvania SPCA continues to look for the original owner of the horses, who could face animal cruelty charges.