During a global extinction crisis and rapidly changing world, many nations are now looking to harden their borders to restrict the movement of people.
But not all species recognise political boundaries, and neither do the threats to their existence.
Different national conservation priorities can mean a species may be protected in one country but hunted over the border; while physical barriers, including border fences and vegetation clearing, impacts their connectivity, access to critical resources and can cause injuries or isolation. MORE
Header image: Coordinated planning for conservation is vital to ensure the survival of threatened species like the orangutan. Credit: Stuart Janson/Unsplash.