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Where does the blue whale originate from?

Where does the blue whale originate from?

The earliest discovered anatomically modern blue whale is a partial skull fossil found in southern Italy, dating to the Early Pleistocene, roughly 1.5–1.25 million years ago.

What did the whale evolve from?

Both hippos and whales evolved from four-legged, even-toed, hoofed (ungulate) ancestors that lived on land about 50 million years ago. Modern-day ungulates include hippopotamus, giraffe, deer, pig and cow.

Is a blue whale a mammal yes or no?

Blue whales are the largest animals ever known to have lived on Earth. These magnificent marine mammals rule the oceans at up to 100 feet long and upwards of 200 tons. Their tongues alone can weigh as much as an elephant.

Are blue whales prehistoric?

Largest prehistoric blue whale found in Italy. An aerial view of the Sea of Cortez reveals an 80-foot blue whale gliding through the waves. A fossil found in Italy shows that blue whales reached these behemoth sizes as far back as 1.5 million years ago.

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Why is a whale not a fish?

Whales are warm blooded, which means they keep a high body temperature that does not change in the cold water. Fish are cold-blooded, so their body temperature changes depending on the temperature of their environment. Fish lay eggs, which must still grow into a baby fish. So whales are indeed mammals and not fish!

Are whales related to land mammals?

Cetaceans (whales, dolphins, and porpoises) are an order of mammals that originated about 50 million years ago in the Eocene epoch. Even though all modern cetaceans are obligate aquatic mammals, early cetaceans were amphibious, and their ancestors were terrestrial artiodactyls, similar to small deer.

Did dolphins and whales start on land?

Early ancestors of the ocean’s biggest animals once walked on land. Their land-dwelling ancestors lived about 50 million years ago. Meet Pakicetus, a goat-sized, four-legged creature that scientists recognise as one of the first cetaceans (the group of marine animals that includes dolphins and whales).

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Why are whales mammals?

Whales are mammals which means that, like humans and other land mammals, they have three inner ear bones and hair, they breathe air, and the females produce milk through mammary glands and suckle their young.