There are approximately 80 different species of whale with two suborders to which all species of whales belong: toothed whales and baleen whales. Toothed whales include sperm, killer, and beluga whales, and they prey on large fish in deep waters as their main source of food. Baleen whales include blue and humpback whales, and they are filter feeders that feed on small organisms such as krill and plankton by straining large amounts of sea water through a comb-like structure in their mouth called a baleen…
It’s almost as if nature set them up for a limited existence on earth. Although their ancestors have been around for a couple of million years, the tiny (in comparison) Vaquita (Phocoena sinus) porpoise lives in a very small area covering just 4,000 square kilometers of the 177,000 sq. km. Sea of Cortez.