http://www.newsweek.com/california-sea-lions-getting-bigger-1797834 > Some California sea lions have been getting larger and larger, but not all of them. Strangely, it's only the males. > Those sea lions have been steadily growing larger over time while females have stayed the same size, according to a study published April 27 in the journal Current Biology, which looked at populations of California sea lions over the past 50 years.