A wave would hit and the pup went under. The mother pushed it up with her nose, and then another wave would hit. After the sixth or seventh wave, the pup didn't come up.

It is disturbing to see their remains, a sea of furry white puppies replaced by carcass after carcass all along the beach.

Whether it's instinctive or whether or not it was just the way the wind was blowing, it seems that they somehow feel safer here.