Wikipedia tells us this about whales

Whales, derived from Proto-Germanic word hwæl, are a widely distributed and diverse group of fully aquatic marine mammals. They comprise the extant families Cetotheriidae (whose only living member is the pygmy right whale), Balaenopteridae (the rorqual whales), Balaenidae (right whale), Eschrichtiidae (the grey whale), Monodontidae (belugas and narwhals), Physeteridae (the sperm whale), Kogiidae (the dwarf and pygmy sperm whale), and Ziphiidae (the beaked whales).There are 40 extant species of whales.

But I like whales because they are:

Whale Anatomy

There are some key parts to a whale's anatomy that I think are interesting

  1. Although whales are widespread, most species prefer the colder waters of the Northern and Southern Hemispheres, and migrate to the equator to give birth.
  2. Odontocetes feed largely on fish and squid; but a few, like the sperm whale, feed on large invertebrates, such as giant squid.



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