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As backed up by scientific researches, wolf is said to be the mammalian ancestry of whale. Year 1978 signaled a milestone in the filed of paleontology as Dr. Philip Gingerich did a research on the “relationship” of early wolf which dwelled in the part of Pakistan and whale. His idea sprung up as he observed the skull of the wolf and then he found an ear of a whale on it. It inspired him to conduct further research to support Charles Darwin’s most controversial claim—which stated that land mammals are actually the descendant of whales.

A series of transitional fossils (popularly known as the “missing links”) were found since Gingerich started his aim of connecting the “link” between wolf and whale. Among these transitional fossils are the 55-million-year-old mesonychid which lived on the land, the Rodhocetus which was said to be an aquatic animal but could also walk on land, and the Ambulocetus, a “walking whale” which also had the ability to swim. Aside from fossil evidences which explain the claim, there were also anatomical evidences which relate whales to mammals.

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The homologous structure of the front fin of whales is found to be quite similar with the front limbs of some mammals like sea lions, wolves and even humans. More so, DNA sequences of whales are found to be similar with that of hippopotamus. Has the ancestry of other marine animals been traced in a similar manner? Yes. Aside from the claim relating whales with wolves, there are also claims that dolphins have characteristics similar to cows while Leopard seals in Australian waters came from bear-like animals.

Reference:

WGBH/NOVA Science Unit and Clear Blue Sky Productions (2001). Evolution.

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