860-289980 - Tail of Blue whale (Balaenoptera musculus brevicauda) is the largest animal ever known to have existed. This may be the pygmy sub-species of blue whale, Balaenoptera musculus. Mirissa, Sri Lanka, Indian Ocean Photo taken under permit
860-286684 - Blue whale Balaenoptera musculus brevicauda is the largest animal ever known to have existed. This may be the pygmy sub-species of blue whale, Balaenoptera musculus. Mirissa, Sri Lanka, Indian Ocean