Phenomenal advanced age of pupping in a captive pacific harbor seal (Phoca vitulina richardsi)

To better define the life history in the captive environment, we describe the reproductive history and advanced age of pupping of a female Pacific harbor seal (Phoca vitulina richardsi) at the Henry Vilas Zoo (HVZ) in Madison, Wisconsin. This female gave birth to a viable pup on May 16, 2012, at the age of 42 […]