Thylacinids were a family of superficially dog-like carnivorous marsupials native to Australia and Papua. Originating as small forest dwelling predators similar to quolls, the drying climatic trends of the Late Miocene caused the group to shift into a different evolutionary direction. The genus Thylacinus, which first appeared at the famous Riversleigh site during the Early Miocene, gradually became larger and increasingly terrestrial over the course of the period. By approximately 10 million years ago, the wolf sized T. potens and T. megiriani had emerged, preying on flightless birds and macropods. By the Pleistocene, only a single species remained: the more modern T. cynocephalus. Found across Australia until roughly 3000 years ago, the animal survived on the island of Tasmania but was pushing into extinction by 1936 due mostly to the actions of European colonists. Known as the Tasmanian Tiger, this formerly reclusive and nocturnal jackal-like carnivore has become a symbol of extinction and it's loss demonstrates a warning for us today.
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6 ноя 2021
