The North Carolina Zoo announces the birth of three litters of critically endangered American red wolves as part of its red wolf breeding program. The litters comprising 12 pups were born during three days from April 28 to April 30. All pups and their mothers are healthy and doing well. This is the first time in the Zoo’s breeding program that three litters were born in one spring. The newest pups bring the number of red wolves currently in the Zoo's breeding program to 36, making it the second-