A few cases of Evolutionary links occurring between modern day fauna and their predecessors from the Pleistocene era

A few cases of Evolutionary links occurring between modern day fauna and their predecessors from the Pleistocene era, (commonly known as the ice age), consists of animals such as the Tiger, three toed Sloth, and The Red Kangaroo, however the most frequently recognised animal with an Evolutionary link would be the Woolly Mammoth sharing very similar assets regarding their structure and behaviour with the Asian or African elephant species. Evolution is a concept that originated in the 19th century but started to become more noticed and relevant in 1858 when Charles Darwin published the theory of evolution by natural selection, explaining concepts of species origins.