A few nice endangered species animals images I found:
Rescue lion at Hoedspruit Endangered Species Centre
Image by féileacán
Hoedspruit Endangered Species Centre
The Hoedspruit Endangered Species Centre focuses on the conservation of rare, vulnerable or endangered animals. Cheetah Conservation is one of their core disciplines.
The Centre is actively involved in:
The breeding of endangered, vulnerable or rare animal species
The release and establishment of captive-bred cheetahs to the wild
The treatment and rehabilitation of orphaned or injured animals which are brought to the Centre
The education of learners, students and the general public in conservation and conservation activities
A hands-on Student's Programme to conservation and adventure enthusiasts from around the world.
Endangered species - LYNX
Image by Adam Zdebel
This picture has been taken at the Bialowieski National Park [Poland] - it's not technically perfect, as it's been taken through the net; however I decided to publish it in order to show how beautiful animal it is.