Columbus Zoo welcomes three endangered tiger cubs

Three Amur tiger cubs joined the Columbus Zoo family last week. The cubs were born late last Wednesday and early Thursday. A fourth cub from the same litter was stillborn. The cubs have been in a private den with their mother, Maria, since they were born. The zoo says all three cubs appear to be healthy and nursing. The three newest cubs will join the six cubs born at the zoo last spring. Keepers won't know the gender of the cubs until they're able to be checked by zoo veterinarians in the comin