Indiscriminate hunting is believed to be the biggest factor that led to the extinction of the Tasmanian tiger or the thylacine.
The Obsessive Search for the Tasmanian Tiger
Dingo wrongly blamed for extinctions
What Factors Triggered the Extinction of the World's Largest Earwig? - WorldAtlas
PDF) World Atlas of Seagrasses David S . Peterson and F. Short
Why and how are scientists trying to de-extinct the Tasmanian Tiger?
Extinction of thylacine, Australia's Defining Moments Digital Classroom
Resolving when (and where) the Thylacine went extinct - ScienceDirect
ADW: Thylacinus cynocephalus: INFORMATION
Thylacine Tasmanian Tiger de-extinction
Tasmanian tiger: The plan to bring 'a dingo with a pouch' back from extinction : NPR
Resolving when (and where) the Thylacine went extinct - ScienceDirect
Back from extinction: Resurrecting the Tasmanian tiger, Science and Technology