Endangered red wolves born at US zoo

This May 14, 2021, photo provided by the North Carolina Zoo, in Asheboro, N.C., shows several of the American red wolf pups born at the zoo in late April. The American red wolves are critically endangered and number less than two dozen in the wild. (Moriah Angott/North Carolina Zoo via AP)

Three litters of American red wolves, which are critically endangered and number less than two dozen in the wild, have been born at the North Carolina Zoo.

The zoo said the litters, which total 12 pups, were born over three days at the end of April.