ThylacineUntil the mid 20th century, the thylacine was the worlds largest carnivorous marsupial, and its disappearance has left many questions and contradictions. Alternately portrayed as a scourge and as a high value commodity, the thylacines ecology and behaviour were known only anecdotally. In recent years, its taxonomic position, ecology, behaviour, and body size have all been re examined scientifically, while advances in genetics have presented the