Philadelphia Zoo's Asian black bear dies
Ben was euthanized after a losing fight against skin cancer.
Ben, the Philadelphia Zoo's Asian black bear, has died. He was 23.
The zoo said he was euthanized Wednesday after a losing fight against squamous cell carcinoma, a malignant form of skin cancer.
Ben, who was born Natural Bridge Zoological Park in Virginia in August 1994, had been at the zoo since April 2002.