Meet 20 remarkable species facing the challenge of survival.

From the rainforest to the savannah to the depths of the ocean, animal life in every continent and habitat has been affected by human activity. Louise McNaught's powerful animal portraits bring to life 20 stunning creatures and their fight for survival. Discover the dangers they face, the action being taken to protect them and their vital importance on Earth. Be inspired to join the movement to conserve species and find out how you can make a difference.

"We all have a fantastic opportunity to do more for wildlife right now. We must not leave it too late: extinction is forever." - Charlie Mayhew MBE, Chief Executive of Tusk