Help us use science to stop wild animals going extinct Established in 1826 for the advancement of Zoology through science - our commitment to science remains at the heart of ZSL.  We are an influential part of the global scientific community with the Institute of Zoology partnering with over 300 institutions in 70 countries.  The Institute also plays a critical role in the work of ZSL through collaboration with our two outstanding zoos and field conservation programmes.