A few nice endangered species of animals images I found:
giraffe traffic jam
Image by Scorpions and Centaurs
Woburn Safari Park ~~ Bedfordshire, England
Tule Elk San Luis NWR_Lee Eastman USFWS
Image by USFWS Headquarters
California’s native Tule elk were driven to the edge of extinction by hunting and habitat loss, with perhaps as few as 10 or 20 surviving animals left at one point in the 20th century. In 1974 a herd of 18 Tule elk were brought to San Luis National Wildlife Refuge, where they have thrived.
Photo: Lee Eastman/USFWS